- Product Details
- Shipping and Returns
- The BPZ Promise
- Why Bulletproof Zone?
The Rothco ECWCS Gen III Level II Mid-Weight Thermal Underwear Breakaway Bottoms are cold-weather base-layer pants designed for active-duty personnel and tactical users operating in extreme cold. Built as part of Level II of the Extended Cold Weather Clothing System (ECWCS), a military layering standard in use since the 1980s, these bottoms combine moisture-wicking performance with a breakaway closure system for fast removal over boots. Available in sizes Small through 2XL.
Breakaway Design for Rapid Removal
The Rothco ECWCS Level II Breakaway Bottoms feature hook-and-loop closures running down the outside of each leg. This construction allows the wearer to remove the bottoms quickly without taking off boots first, a practical advantage when transitioning between environments or adjusting layers in the field. The elastic waistband accommodates a range of body types without requiring a precise fit adjustment.
Moisture Management and Odor Control
The 93% polyester / 7% spandex construction gives these bottoms moisture-wicking properties that move perspiration away from the skin, helping to keep the wearer warm and dry during sustained activity in cold conditions. The grid fleece material also provides odor defense, which matters during extended wear between washing opportunities, a common reality in field or operational settings.
Part of a Coordinated Layering System
These bottoms are the lower half of the ECWCS Gen III Level II system. A matching Level II Mid-Weight Underwear Top is available separately, allowing users to build out a complete base layer that works within the broader ECWCS layering framework. Wearing matched pieces from the same system helps ensure consistent thermal and moisture performance across the torso and legs.
Features
- Breakaway Hook-and-Loop Leg Closures: run the full outside length of each leg for removal without removing boots
- Moisture-Wicking Construction: 93% polyester / 7% spandex fabric moves moisture away from skin
- Odor-Defending Grid Fleece: material resists odor buildup during extended wear
- Elastic Waistband: accommodates a wide range of body types
- ECWCS Level II Rated: part of the military Extended Cold Weather Clothing System layering standard
- Matching Top Available: pairs with the Rothco Level II Mid-Weight Underwear Top
Specifications
| Specification | Detail |
|---|---|
| Brand | Rothco |
| Material | 93% Polyester / 7% Spandex |
| Closure System | Hook-and-loop down outside of each leg |
| Waistband | Elastic |
| ECWCS Level | Level II (Mid-Weight) |
| Sizes | S, M, L, XL, 2XL |
| Cold Weather Rated | Yes |
| Country of Origin | China |
Who This Is For and Isn't
These bottoms suit military personnel, law enforcement, and outdoor users who need a mid-weight thermal base layer that can be removed quickly over boots in cold-weather environments. The elastic waist and five-size range make them accessible to a broad range of body types, and the ECWCS Level II designation means they integrate with standard military cold-weather layering systems.
These are base-layer thermal underwear and provide no ballistic, stab, or cut protection of any kind. They are not a standalone outer layer and are not designed for warm or temperate climates. Users needing a heavier insulating layer should look at ECWCS Level III or above options.
Common Questions
What does the breakaway closure actually do?
The Rothco ECWCS Level II Breakaway Bottoms have hook-and-loop closures running down the outside of each leg. This lets the wearer pull the bottoms off without removing boots first, which is useful when transitioning between indoor and outdoor environments or when adjusting layers quickly in cold conditions.
What is ECWCS Level II and how does it fit into a layering system?
ECWCS stands for Extended Cold Weather Clothing System, a military layering standard used by active-duty personnel since the 1980s. Level II is the mid-weight base layer, worn over a lighter Level I layer and under heavier insulating and shell layers. These bottoms occupy that mid-weight base-layer position in the system.
Do these bottoms have any ballistic or protective rating?
No. The Rothco ECWCS Level II Breakaway Bottoms are thermal base-layer underwear. They carry no ballistic, stab-resistance, or cut-resistance rating of any kind. The "Level II" designation refers to the ECWCS cold-weather layering tier, not a protection standard.
Is there a matching top?
Yes. Rothco offers a matching Level II Mid-Weight Underwear Top designed to pair with these bottoms. Wearing the matched set provides consistent thermal and moisture-wicking performance across the full torso and legs within the ECWCS layering framework.
How should these be cared for?
Washing instructions are not stated for the Rothco ECWCS Level II Breakaway Bottoms. Follow the care label on the garment itself for confirmed instructions.
Bulletproof Zone will ship orders as soon as possible. For example, if you purchase three items, they will be shipped to you based on lead time and availability. This way you get as much of your order as soon as possible, which means that your order may come in separate packages, especially if you order products from different manufacturers.
We will bear the shipping cost for products returned because of product defect, misrepresentation, or false description. Afterward, we will initiate a full reimbursement should you decline an offer to replace the item with the same item of equal value and assured quality.
Order Confirmation:
As soon as you place your order with Bulletproof Zone, you will receive an order confirmation e-mail. This means that your order has been logged in our system and your credit card has been pre-authorized for the purchase. Afterward, we contact our suppliers to confirm the availability of the product you are ordering for immediate shipment. If your item is on backorder or unavailable, we will cancel the pre-authorization and duly inform you via e-mail.
Order Shipment:
Orders are shipped within five business days from the date of your order unless specified otherwise on the product page. The product page will contain the most accurate estimate on shipping and lead times. Shipping and lead times provided on the product page are our best estimates based various factors including order volume, information from our manufacturer, raw material fluctuations, etc., and may vary due to these factors.
You will receive an email containing the tracking information of your order after the order has been shipped to your location. If you do not receive tracking information from us within seven business days of the lead time specified on the product page, feel free to follow up with us at orders@bulletproofzone.com.
Bulletproof Zone is not responsible for lost or stolen packages. A tracking number will be provided when the package is shipped. It is the buyer’s responsibility to provide a safe place to receive mail. Once an item has been marked as delivered by the carrier, the seller is not responsible should that item go missing.
Some of our products are carried by manufacturers in various countries. Due to the nature and cost of the products that Bulletproof Zone sells, you may be charged additional import duties upon delivery. Our support team can help in investigating abnormally high import duty charges but we are unable to cover the cost of any import duties.
Damages:
We take full responsibility for any obvious damage to your product caused by wrong packaging or delivering an already defective product. Please inspect the packaging of your item(s) when they arrive, if you notice any damage, you should document it when signing for delivery. If the item(s) contained in the package arrives damaged, please send photos to support@bulletproofzone.com, and we will process an insurance claim on your behalf.
Returns and Cancellation Policy:
We back all our products with a customer satisfaction guarantee, so we created a fair return and cancellation policy.
All sales are final. No Refunds, No Cancellations. In most cases, once the order is processed, it is final and not cancellable. We may allow exceptions due to an order error or wish to return your order after delivery for any reason other than a product defect or misrepresentation. Any cancellation request is subject to an administration and cancellation fee equal to 10% of your order with a minimum of $35, whether order shipment is successful or not.
All sales are final on all closeout items and for custom manufactured bulletproof clothing once the manufacturing process has begun or not returnable unless there is a product defect or misrepresentation. Applicable to brands such as MC Armor, Israel Catalog, BulletBlocker, Tacticon Armament, Wonder Hoodie, and others.
Before returning any product, you MUST obtain a return authorization from our customer service representative. We can only process AUTHORIZED returns for items.
To make a Return or Exchange:
- Obtain authorization for return or exchange by emailing us at support@bulletproofzone.com explaining the reason for the return or exchange.
- Please use or indicate your order number as attention
Return or exchanges request submission must be within 14 calendar days upon receipt of shipment unless noted otherwise on the product description page. Your return must be in original packaging and unused.
We encourage using USPS flat-rate shipping in returning products to receive a shipping expense refund. Buyers must ensure all returned parcels delivery receipt AND signature confirmation. We highly recommend insuring your parcel as we cannot issue a refund for an item that we do not receive back should it get lost/damaged during transit.
Refunds:
Should an item be returned because it was defective, misrepresented, not as described, etc., Bulletproof Zone will issue a full refund and will reimburse the customer for all shipping expenses associated with the return.
Please allow 5-10 business days from the time the item is received to process a refund. Refunds will only be issued to the original credit card that you use when placing your order.
We stand behind our products 100%!
By purchasing any of our items, the buyer certifies they have read and agree to our shipping, return, and privacy policies.
The Bulletproof Zone Promise
When you buy body armor, you're buying your safety. We don't take that lightly. Here's what every order from Bulletproof Zone includes.
1. Authorized dealer of every brand we carry
Every plate, vest, and carrier we ship comes from the manufacturer directly to our warehouse. We don't sell gray-market product, surplus, or returns. That means factory-fresh stock, the full manufacturer warranty, and real after-sale support — the kind only an authorized dealer can offer.
We maintain authorized-dealer relationships with America's leading body armor brands, including Spartan Armor Systems, AR500 Armor, RMA Defense, Shellback Tactical, Caliber Armor, DFNDR Armor, Protection Group Denmark, BulletSafe, BulletBlocker, and over 40 more.
2. Best price, guaranteed
If you find a lower price at another authorized dealer of the same product within six months of your purchase, we'll refund the difference.
Why the "authorized dealer" requirement? Because gray-market and surplus armor may not be genuine, may have a compromised supply chain, and almost never comes with a manufacturer warranty. We won't price-match against products that may not actually protect you.
3. Free fitment consultation
Body armor only protects you if it fits. Email us a photo and your measurements before you order, and one of our specialists will help you size your carrier and plates correctly — at no charge, no obligation.
4. Trusted by thousands of customers
Bulletproof Zone has been a trusted authorized dealer of America's leading body armor manufacturers for over five years. We have over 4,000 verified Trustpilot reviews from real customers across all 50 states.
Price Match Guarantee — Terms
- You must have purchased the item from our website before requesting the price match.
- Discounted items and "free with purchase" items are not eligible.
- The item must be in stock on the competitor's website at the time of your request.
- The price match is valid for six months from the date of your purchase.
- The competitor must be an authorized dealer of the product. Auction sites (eBay, Overstock), discounters, and gray-market resellers do not qualify.
- The competitor must operate an online store. Brick-and-mortar-only retailers do not qualify.
- Price match applies to the item price plus shipping. Sales tax is excluded.
To request a price match, email us a link to the product on our site and the same product on the competitor's site within six months of purchase. We'll process the refund.
Why Bulletproof Zone?
At Bulletproof Zone, we are passionate about protecting lives. Every piece from our catalog is designed and rigorously tested to provide the highest quality of protection you need from firearms, explosives or even close quarters combat.
We’ve partnered with various manufacturers that operate within the United States under a strict set of guidelines both on a national and corporate level so that when you shop with us, you will be able to select from the highest quality body armor, ballistic plates and tactical gear available on the market.
Whether you are a military service member looking to find your own gear, a professional that operates in the security field, or an avid firearms enthusiast that capitalizes the importance of safety when shooting, our tactical gear will provide you the level of protection you need.
Any questions or concerns? Please call us at (408)-909-4938 or email us at support@bulletproofzone.com and a member of our professional support team will be in touch with you as soon as possible.
