Water and abrasion resistant exterior 4-way stretch Primeflex Resists moisture, odor and stretching out Integrated lower leg gaiters Mesh lined pockets for reduced weight and increased venting Premium YKK zippers Zippered back pockets Zippered thigh pockets Articulated knees Never-Pop woven reinforced button Soft fleece waistband Reinforced fleece lined belt loops Weight 21oz Engineered from lightweight Primeflex poly blend fabric, the Pure 18 Lightweight Pant balances durability with exceptional comfort and functionality. Designed as a single layer for warmer temperatures, the Pure 18 Pant comfortably accepts a base layer worn underneath and features an integrated lower leg gaiter to keep bugs and debris out. The DWR treated fabric creates a breathable water resistant membrane to keep out moisture. The mesh-lined pockets provide effective temperature regulation and added breathability, while articulated knees, action gusset, and 4-way stretch fabric for offer unrestricted mobility and comfort.