{"title":"Covert Threads","description":null,"products":[{"product_id":"covert-threads-fire-retardant-sock","title":"Covert Threads Fire Retardant Sock","description":"\u003cp class=\"product-lead\"\u003eThe Covert Threads Fire Retardant Sock is a moisture-wicking, fire-resistant crew sock built for mild to hot weather and designed for personnel who work in confined spaces with exposure to high heat or potential fire. Available in Medium, Large, and XLarge to fit men's boot sizes 4 through 15, in Coyote and Natural colorways.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt for Heat and Long Days on Your Feet\u003c\/h2\u003e\n\u003cp\u003eThe Covert Threads Fire Retardant Sock uses moisture-wicking durable fibers suited to mild and hot conditions. For wearers spending extended time in high-heat environments or confined spaces where fire exposure is a risk, a sock that manages heat and moisture at the foot level reduces fatigue and keeps the foot environment more stable throughout a shift.\u003c\/p\u003e\n\n\u003ch2\u003eFriction Control and Blister Prevention\u003c\/h2\u003e\n\u003cp\u003eA special wool component works against friction and hot spots, the two primary causes of blisters during extended wear. By reducing friction at the points where the foot moves against the boot, the sock helps maintain foot condition over long hauls where stopping to address blisters is not an option.\u003c\/p\u003e\n\n\u003ch2\u003eFit Features That Stay in Place\u003c\/h2\u003e\n\u003cp\u003eA leg stay-up top with hugging support keeps the sock from sliding down during movement. The built-in arch support holds the sock's position over the course of a long day. A reinforced \"Y\" heel conforms to the contour of the foot for a more consistent fit, and the Instep Flexzone prevents the sock from bunching underfoot, removing a common source of pressure points and discomfort during extended wear in boots.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFire-resistant construction:\u003c\/strong\u003e built for environments with high-heat or fire exposure risk\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMoisture-wicking fibers:\u003c\/strong\u003e suited to mild and hot weather conditions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpecial wool friction layer:\u003c\/strong\u003e fights hot spots to help prevent blisters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLeg stay-up top with hugging support:\u003c\/strong\u003e keeps the sock in position during movement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in arch support:\u003c\/strong\u003e holds sock placement over extended wear\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReinforced \"Y\" heel:\u003c\/strong\u003e fits the contour of the foot for consistent positioning\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstep Flexzone:\u003c\/strong\u003e prevents bunching underfoot\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSize\u003c\/th\u003e\n      \u003cth\u003eMen's Boot Size\u003c\/th\u003e\n      \u003cth\u003eAvailable Colors\u003c\/th\u003e\n      \u003cth\u003eSKU\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMedium\u003c\/td\u003e\n      \u003ctd\u003e4–8\u003c\/td\u003e\n      \u003ctd\u003eNatural\u003c\/td\u003e\n      \u003ctd\u003eTGD-CT 2709 NA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eLarge\u003c\/td\u003e\n      \u003ctd\u003e9–12\u003c\/td\u003e\n      \u003ctd\u003eCoyote, Natural\u003c\/td\u003e\n      \u003ctd\u003eTGD-CT 2309 CB \/ TGD-CT 2309 NA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eXLarge\u003c\/td\u003e\n      \u003ctd\u003e13–15\u003c\/td\u003e\n      \u003ctd\u003eNatural\u003c\/td\u003e\n      \u003ctd\u003eTGD-CT 2909 NA\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho This Is For and Isn't\u003c\/h2\u003e\n\u003cp class=\"product-fit-yes\"\u003eThe Covert Threads Fire Retardant Sock suits personnel who work in high-heat or fire-risk environments, including confined-space workers, industrial responders, and tactical operators in hot climates, who need a sock that manages moisture, resists friction, and stays in place through a full shift.\u003c\/p\u003e\n\u003cp class=\"product-fit-no\"\u003eThis sock is not positioned as a cold-weather or insulating product and is not described as meeting any specific fire-resistance standard or certification. Buyers requiring a sock rated to a named flame-resistance specification (such as NFPA 2112 or ASTM F1506) should verify compliance before purchase, as no such rating is stated.\u003c\/p\u003e\n\n\u003ch2\u003eCommon Questions\u003c\/h2\u003e\n\u003ch3 class=\"product-faq-q\"\u003eWhat sizes does the Covert Threads Fire Retardant Sock come in?\u003c\/h3\u003e\n\u003cp class=\"product-faq-a\"\u003eThe Covert Threads Fire Retardant Sock is available in three sizes: Medium (men's boot size 4–8), Large (men's boot size 9–12), and XLarge (men's boot size 13–15). Medium and XLarge are available in Natural only; Large is available in both Coyote and Natural.\u003c\/p\u003e\n\n\u003ch3 class=\"product-faq-q\"\u003eWhat does the fire-resistant construction mean for everyday wear?\u003c\/h3\u003e\n\u003cp class=\"product-faq-a\"\u003eThe Covert Threads Fire Retardant Sock is built with fire-resistant fibers intended for use in environments with high-heat exposure or fire risk. No specific flame-resistance standard or certification rating is stated. Buyers with a compliance requirement for a named standard should confirm before ordering.\u003c\/p\u003e\n\n\u003ch3 class=\"product-faq-q\"\u003eHow does the sock stay in place during long shifts?\u003c\/h3\u003e\n\u003cp class=\"product-faq-a\"\u003eThe Fire Retardant Sock uses a leg stay-up top with hugging support to prevent the cuff from sliding down, a built-in arch support to hold the sock's position over the foot, and an Instep Flexzone that prevents the sock from bunching underfoot. Together these features maintain consistent fit through extended wear in boots.\u003c\/p\u003e\n\n\u003ch3 class=\"product-faq-q\"\u003eHow does the wool component help with blisters?\u003c\/h3\u003e\n\u003cp class=\"product-faq-a\"\u003eThe Covert Threads Fire Retardant Sock includes a special wool layer that works against friction and hot spots, the primary causes of blisters during long periods of boot wear. The reinforced \"Y\" heel also contributes by conforming to the foot's contour, reducing movement and rubbing at one of the most blister-prone areas.\u003c\/p\u003e","brand":"Covert Threads","offers":[{"title":"Large (Boot Size 9-12) \/ Coyote","offer_id":67301364629875,"sku":"TGD-CT 2309 CB","price":40.99,"currency_code":"USD","in_stock":true},{"title":"Large (Boot Size 9-12) \/ Natural","offer_id":67301364662643,"sku":"TGD-CT 2309 NA","price":40.99,"currency_code":"USD","in_stock":true},{"title":"Medium (Boot Size 4-8) \/ Natural","offer_id":67301364695411,"sku":"TGD-CT 2709 NA","price":40.99,"currency_code":"USD","in_stock":true},{"title":"XLarge (Boot Size 13-15) \/ Natural","offer_id":67301364728179,"sku":"TGD-CT 2909 NA","price":40.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1926\/7025\/files\/ct-2309-cb_l.jpg?v=1793762325"},{"product_id":"covert-threads-ice-military-boot-sock","title":"Covert Threads Ice Military Boot Sock","description":"\u003cp class=\"product-lead\"\u003eThe Covert Threads Ice Military Boot Sock is a heavy-weight, sculpted-cushion sock built for moderate to extreme cold climates, designed to keep feet dry and comfortable through long days of wear. The wool and acrylic blend construction works alongside a silver lining and ventilated mesh to manage moisture and thermal energy. Available in Medium (boot sizes 4–8), Large (boot sizes 9–12), and XLarge (boot sizes 13–15), in Black, Coyote, Sand, and Foliage Green depending on size.\u003c\/p\u003e\n\n\u003ch2\u003eMoisture Control Under Sustained Wear\u003c\/h2\u003e\n\u003cp\u003eThe Covert Threads Ice Military Boot Sock combines absorbent Merino wool and acrylic with a ventilated mesh zone to move moisture away from the foot throughout the day. Merino wool draws sweat away from the skin while the acrylic component aids in drying, and the mesh panel gives that moisture a path to escape rather than accumulating inside the boot. The result is a drier foot environment across long shifts or extended field use in cold conditions.\u003c\/p\u003e\n\n\u003ch2\u003eSilver Lining for Hygiene and Thermal Distribution\u003c\/h2\u003e\n\u003cp\u003eA silver lining runs through the entire garment. Silver's natural antimicrobial properties help prevent infections and fight foot fungus, a practical concern in prolonged boot wear where moisture and warmth create favorable conditions for both. The same silver lining also aids in storing and distributing thermal energy evenly across the foot, which supports consistent warmth in cold climates rather than allowing cold spots to develop.\u003c\/p\u003e\n\n\u003ch2\u003eCushioning and Arch Support Built for Impact\u003c\/h2\u003e\n\u003cp\u003eThe sculpted heel and toe cushion is engineered specifically for high-impact absorption, reducing the cumulative stress of hard surfaces, long marches, or extended standing. Built-in arch support is integrated into the sock's structure to provide sustained comfort over the long haul. Because the sock is designed to function without a liner sock underneath, it simplifies the layering system inside the boot.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWool and Acrylic Blend:\u003c\/strong\u003e Merino wool and absorbent acrylic work together to keep feet dry throughout the day\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVentilated Mesh:\u003c\/strong\u003e Allows moisture to escape, supporting a drier in-boot environment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSilver Lining:\u003c\/strong\u003e Covers the entire garment to help prevent infections, fight foot fungus, and distribute thermal energy evenly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSculpted Heel and Toe Cushion:\u003c\/strong\u003e Engineered for high-impact absorption\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Arch Support:\u003c\/strong\u003e Integrated structure for sustained comfort over extended wear\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Liner Sock Required:\u003c\/strong\u003e Designed to be worn directly inside the boot without an additional liner\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSize\u003c\/th\u003e\n      \u003cth\u003eBoot Size Range\u003c\/th\u003e\n      \u003cth\u003eAvailable Colors\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMedium\u003c\/td\u003e\n      \u003ctd\u003e4–8\u003c\/td\u003e\n      \u003ctd\u003eBlack, Coyote\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eLarge\u003c\/td\u003e\n      \u003ctd\u003e9–12\u003c\/td\u003e\n      \u003ctd\u003eBlack, Coyote, Sand\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eXLarge\u003c\/td\u003e\n      \u003ctd\u003e13–15\u003c\/td\u003e\n      \u003ctd\u003eCoyote, Foliage Green, Sand\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eConstruction\u003c\/td\u003e\n      \u003ctd colspan=\"2\"\u003eMerino Wool and Acrylic blend with ventilated mesh and full silver lining\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eWeight Class\u003c\/td\u003e\n      \u003ctd colspan=\"2\"\u003eHeavy weight\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho This Is For and Isn't\u003c\/h2\u003e\n\u003cp class=\"product-fit-yes\"\u003eThe Covert Threads Ice Military Boot Sock suits personnel operating in moderate to extreme cold climates who need sustained moisture management, antimicrobial protection, and cushioning across long days of wear in military or tactical boots. The three-size range accommodates boot sizes 4 through 15, and the no-liner-sock design keeps the layering system simple inside the boot.\u003c\/p\u003e\n\u003cp class=\"product-fit-no\"\u003eThis sock is not designed for warm or hot climates where heavy-weight construction would be counterproductive. It is a sock, not a boot or footwear system, and provides no ballistic or cut protection. Medium is not offered in Sand or Foliage Green, and XLarge is not offered in Black.\u003c\/p\u003e\n\n\u003ch2\u003eCommon Questions\u003c\/h2\u003e\n\u003ch3 class=\"product-faq-q\"\u003eWhat climates is the Covert Threads Ice Military Boot Sock designed for?\u003c\/h3\u003e\n\u003cp class=\"product-faq-a\"\u003eThe Covert Threads Ice Military Boot Sock is specifically designed for moderate to extreme cold climates. Its heavy-weight construction, Merino wool and acrylic blend, and silver lining for thermal distribution are all oriented toward keeping feet warm, dry, and protected in cold-weather field or duty environments.\u003c\/p\u003e\n\n\u003ch3 class=\"product-faq-q\"\u003eDo I need to wear a liner sock underneath?\u003c\/h3\u003e\n\u003cp class=\"product-faq-a\"\u003eNo. The Covert Threads Ice Military Boot Sock is designed to be worn directly inside the boot without a liner sock. The Merino wool and acrylic blend, combined with the ventilated mesh, handles moisture management on its own, so an additional liner layer is not required.\u003c\/p\u003e\n\n\u003ch3 class=\"product-faq-q\"\u003eHow does the silver lining help during extended wear?\u003c\/h3\u003e\n\u003cp class=\"product-faq-a\"\u003eThe silver lining runs through the entire Covert Threads Ice Military Boot Sock. Silver's antimicrobial properties help prevent infections and fight foot fungus, a real concern during prolonged boot wear. The silver also aids in storing and distributing thermal energy evenly across the foot, supporting consistent warmth rather than allowing cold spots.\u003c\/p\u003e\n\n\u003ch3 class=\"product-faq-q\"\u003eWhich size should I choose, and are all colors available in every size?\u003c\/h3\u003e\n\u003cp class=\"product-faq-a\"\u003eThe Covert Threads Ice Military Boot Sock comes in Medium (boot sizes 4–8), Large (boot sizes 9–12), and XLarge (boot sizes 13–15). Color availability varies by size: Medium comes in Black and Coyote; Large in Black, Coyote, and Sand; XLarge in Coyote, Foliage Green, and Sand. Select your size based on your boot size, not your shoe size.\u003c\/p\u003e","brand":"Covert Threads","offers":[{"title":"Large (Boot Size 9-12) \/ Black","offer_id":67301370593651,"sku":"TGD-CT 3155 BK","price":37.99,"currency_code":"USD","in_stock":true},{"title":"Large (Boot Size 9-12) \/ Coyote","offer_id":67301370626419,"sku":"TGD-CT 3155 CB","price":37.99,"currency_code":"USD","in_stock":true},{"title":"Large (Boot Size 9-12) \/ Sand","offer_id":67301370659187,"sku":"TGD-CT 3155 SD","price":37.99,"currency_code":"USD","in_stock":true},{"title":"Medium (Boot Size 4-8) \/ Black","offer_id":67301370691955,"sku":"TGD-CT 3455 BK","price":37.99,"currency_code":"USD","in_stock":true},{"title":"Medium (Boot Size 4-8) \/ Coyote","offer_id":67301370724723,"sku":"TGD-CT 3455 CB","price":37.99,"currency_code":"USD","in_stock":true},{"title":"XLarge (Boot Size 13-15) \/ Coyote","offer_id":67301370757491,"sku":"TGD-CT 3855 CB","price":37.99,"currency_code":"USD","in_stock":true},{"title":"XLarge (Boot Size 13-15) \/ Foliage Green","offer_id":67301370790259,"sku":"TGD-CT 3855 FG","price":37.99,"currency_code":"USD","in_stock":true},{"title":"XLarge (Boot Size 13-15) \/ Sand","offer_id":67301370823027,"sku":"TGD-CT 3855 SD","price":37.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1926\/7025\/files\/ct-3155-bk_l.jpg?v=1793762335"},{"product_id":"covert-threads-rock-infiltrator-antimicrobial-tactical-sock","title":"Covert Threads Rock Infiltrator Antimicrobial Tactical Sock","description":"\u003cp class=\"product-lead\"\u003eThe Covert Threads Rock Infiltrator is an antimicrobial tactical sock built for all-day wear on rugged terrain, featuring Silver Lining antibacterial technology, zone-specific high-loft cushioning, and a built-in shin guard impact pad. Available in Medium (boot size 4–8), Large (boot size 9–12), and XLarge (boot size 13–15), in Black, Coyote, and Foliage Green (color availability varies by size).\u003c\/p\u003e\n\n\u003ch2\u003eZone-Specific Cushioning for Hard Ground\u003c\/h2\u003e\n\u003cp\u003eThe Rock Infiltrator places high-loft cushioning precisely where foot strike and terrain impact are greatest, reducing bruising on the foot bottom during extended movement over uneven or rocky ground. The cushion blend uses a super-soft acrylic fiber combined with Ingrain wicking polypropylene, keeping the pad dense and resilient throughout a full day of use rather than compressing flat after the first few hours.\u003c\/p\u003e\n\n\u003ch2\u003eGraduated Compression and Circulation Support\u003c\/h2\u003e\n\u003cp\u003eThe Rock Infiltrator's leg section uses graduated support (looser at the top, snugger at the ankle) to help promote circulation up the leg from the foot and reduce muscle fatigue during prolonged standing or movement. An extra support band knit into the arch area adds targeted relief for foot stress and strain, making the sock useful for operators or professionals on their feet for extended shifts.\u003c\/p\u003e\n\n\u003ch2\u003eMoisture Management and Antimicrobial Protection\u003c\/h2\u003e\n\u003cp\u003eIngrain polypropylene fiber moves moisture away from the foot bottom, while the soft acrylic layer helps keep feet dry. A vapor mesh panel allows airflow to keep the foot cooler without reducing cushion coverage. Silver Lining antimicrobial technology is integrated throughout the entire garment, fighting odor-causing bacteria continuously and aiding in the storage and even distribution of thermal energy: it radiates heat slowly and transfers moisture quickly.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSilver Lining Antimicrobial:\u003c\/strong\u003e fights bacteria and foot odor throughout the entire sock, all day\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Loft Zone Cushioning:\u003c\/strong\u003e hi-loft acrylic and polypropylene blend targets foot-bottom strike zones to reduce bruising on rugged terrain\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Shin Guard Pad:\u003c\/strong\u003e integrated impact-absorption cushion at the shin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e\"Y\" Heel Construction:\u003c\/strong\u003e contoured heel fit for reduced slippage and a more secure feel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGraduated Leg Support:\u003c\/strong\u003e promotes circulation and energizes muscles during all-day wear\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArch Support Band:\u003c\/strong\u003e knit-in band relieves foot stress and strain throughout the day\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVapor Mesh Panel:\u003c\/strong\u003e allows the foot to breathe and stay cool without compromising cushion protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSize\u003c\/th\u003e\n      \u003cth\u003eFits Boot Size\u003c\/th\u003e\n      \u003cth\u003eAvailable Colors\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMedium\u003c\/td\u003e\n      \u003ctd\u003eMen's Boot Size 4–8\u003c\/td\u003e\n      \u003ctd\u003eBlack, Coyote, Foliage Green\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eLarge\u003c\/td\u003e\n      \u003ctd\u003eMen's Boot Size 9–12\u003c\/td\u003e\n      \u003ctd\u003eBlack, Coyote\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eXLarge\u003c\/td\u003e\n      \u003ctd\u003eMen's Boot Size 13–15\u003c\/td\u003e\n      \u003ctd\u003eBlack\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho This Is For and Isn't\u003c\/h2\u003e\n\u003cp class=\"product-fit-yes\"\u003eThe Rock Infiltrator suits tactical professionals, law enforcement, military personnel, and outdoor users who spend long hours on their feet over hard or uneven terrain and need a sock that manages moisture, reduces foot fatigue, and controls odor throughout extended wear. The three-size range and multiple color options accommodate a wide range of boot sizes and uniform requirements.\u003c\/p\u003e\n\u003cp class=\"product-fit-no\"\u003eThe Rock Infiltrator is a performance sock, not a ballistic or cut-resistant garment, and provides no protection against ballistic, blade, or puncture threats. XLarge is available in Black only; Foliage Green is available in Medium only. No women's sizing equivalents are stated for this product.\u003c\/p\u003e\n\n\u003ch2\u003eCommon Questions\u003c\/h2\u003e\n\u003ch3 class=\"product-faq-q\"\u003eWhat makes the Rock Infiltrator different from a standard athletic sock?\u003c\/h3\u003e\n\u003cp class=\"product-faq-a\"\u003eThe Covert Threads Rock Infiltrator combines several features not typical of standard athletic socks: zone-specific high-loft cushioning targeting foot-bottom strike zones, a built-in shin guard impact pad, Silver Lining antimicrobial technology integrated throughout the garment, and graduated leg compression designed to support circulation during all-day tactical or field use.\u003c\/p\u003e\n\n\u003ch3 class=\"product-faq-q\"\u003eHow does the Silver Lining antimicrobial technology work?\u003c\/h3\u003e\n\u003cp class=\"product-faq-a\"\u003eSilver Lining is integrated throughout the entire Rock Infiltrator sock. It fights odor-causing bacteria continuously, aids in the even distribution of thermal energy, radiates heat slowly, and transfers moisture quickly, working alongside the sock's polypropylene wicking fiber to help keep feet drier and fresher throughout the day.\u003c\/p\u003e\n\n\u003ch3 class=\"product-faq-q\"\u003eWhich size should I order, and how do colors vary by size?\u003c\/h3\u003e\n\u003cp class=\"product-faq-a\"\u003eThe Rock Infiltrator is sized by men's boot size: Medium fits boot sizes 4–8 (available in Black, Coyote, and Foliage Green), Large fits boot sizes 9–12 (available in Black and Coyote), and XLarge fits boot sizes 13–15 (available in Black only). Select the size that matches your current boot size for the best fit.\u003c\/p\u003e\n\n\u003ch3 class=\"product-faq-q\"\u003eWhat is the \"Y\" heel construction?\u003c\/h3\u003e\n\u003cp class=\"product-faq-a\"\u003eThe \"Y\" heel construction on the Rock Infiltrator is a knitting technique that contours the sock more precisely around the heel, providing a snugger, more secure fit in that area. This helps reduce slippage inside the boot and improves overall sock stability during movement.\u003c\/p\u003e\n\n\u003ch3 class=\"product-faq-q\"\u003eCan I order the Rock Infiltrator in Foliage Green for larger boot sizes?\u003c\/h3\u003e\n\u003cp class=\"product-faq-a\"\u003eFoliage Green is currently available only in the Medium size (men's boot sizes 4–8). Large is offered in Black and Coyote, and XLarge is offered in Black only. If you need Foliage Green in a larger size, contact us and we can check on availability.\u003c\/p\u003e","brand":"Covert Threads","offers":[{"title":"Large (Boot Size 9-12) \/ Black","offer_id":67301391466867,"sku":"TGD-CT 3301 BK","price":37.99,"currency_code":"USD","in_stock":true},{"title":"Large (Boot Size 9-12) \/ Coyote","offer_id":67301391499635,"sku":"TGD-CT 3301 CB","price":37.99,"currency_code":"USD","in_stock":true},{"title":"Medium (Boot Size 4-8) \/ Black","offer_id":67301391532403,"sku":"TGD-CT 3701 BK","price":37.99,"currency_code":"USD","in_stock":true},{"title":"Medium (Boot Size 4-8) \/ Coyote","offer_id":67301391565171,"sku":"TGD-CT 3701 CB","price":37.99,"currency_code":"USD","in_stock":true},{"title":"Medium (Boot Size 4-8) \/ Foliage Green","offer_id":67301391597939,"sku":"TGD-CT 3701 FG","price":37.99,"currency_code":"USD","in_stock":true},{"title":"XLarge (Boot Size 13-15) \/ Black","offer_id":67301391630707,"sku":"TGD-CT 3901 BK","price":37.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1926\/7025\/files\/ct-3301-bk_l.jpg?v=1793762438"}],"url":"https:\/\/bulletproofzone.com\/collections\/covert-threads.oembed","provider":"Bulletproof Zone","version":"1.0","type":"link"}