---
product_id: 35612330
title: "USGI ECWCS Trousers, Gen III Extreme Cold Weather, X-SM"
brand: "primaloft"
price: "¥31270"
currency: JPY
in_stock: true
category: "Apparel"
url: https://www.desertcart.jp/products/35612330-usgi-ecwcs-trousers-gen-iii-extreme-cold-weather-x-sm
store_origin: JP
region: Japan
---

# USGI ECWCS Trousers, Gen III Extreme Cold Weather, X-SM

**Brand:** primaloft
**Price:** ¥31270
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** USGI ECWCS Trousers, Gen III Extreme Cold Weather, X-SM by primaloft
- **How much does it cost?** ¥31270 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/35612330-usgi-ecwcs-trousers-gen-iii-extreme-cold-weather-x-sm)

## Best For

- primaloft enthusiasts

## Why This Product

- Trusted primaloft brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Designated as Level VII; pants are the heaviest, outermost layer in the ECWCS Current issued by the US Military Designed for use in temperatures as low as -40 degrees Made in the USA NO POCKETS, FULL LENGTH SIDE ZIPPER FOR EASE OF DONNING WITH BOOTS ON, ZIPPERED FLY OPENING Based on layering systems currently utilized by mountaineering professionals and designed by the U.S. Army, the GEN III Extended Cold Weather Clothing System (ECWCS) has proven to be a game-changer for the modern warfighter. Using proprietary materials and technologically advanced construction methods, ECWCS garments allow the wearer to comfortably operate and sustain a variety of operations in the most extreme conditions. The Extreme Cold Weather Trousers provide protection and warmth from the elements in cold conditions during static operations maintaining warmth even when wet. Constructed with an outer shell fabric that has a water resistant finish and with PrimaLoft Sport Thermal bonded high-loft insulation, these pants are highly durable and breathable. The trousers feature a zippered fly opening, an elastic waist with provisions for suspenders, nylon reinforced knees and full-length side-zipper openings to facilitate donning without removal of boots or shoes. All zippers have a thong for ease of opening and closing when wearing gloves.

## Features

- DO NOT DRY CLEAN, Home Laundering, Field Laundering

## Images

![USGI ECWCS Trousers, Gen III Extreme Cold Weather, X-SM - Image 1](http://ecx.images-amazon.com/images/I/41VZbyZ-YwL.jpg)

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**Shop now:** [https://www.desertcart.jp/products/35612330-usgi-ecwcs-trousers-gen-iii-extreme-cold-weather-x-sm](https://www.desertcart.jp/products/35612330-usgi-ecwcs-trousers-gen-iii-extreme-cold-weather-x-sm)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-26*