The Sitka Ascent Pants are designed to be highly breathable on hot days in the mountains. These pants stand up well to heavy abrasion but a Sitka knee pad can easily be added to the internal mesh pocket if extra protection is needed. Features4-Way StretchQuick DryArticulated PatterningInternal Mesh Knee Pad PocketMesh-Backed PocketsCORDURA: Nylon BlendLow-Profile Waist StylingBelt LoopsStretch CORDURA Nylon Woven Blend (60% CORDURA, 30% Nylon, 10% Spandex) Sitka Ascent Pant Optifade Subalpine 31 R 50127-SA-31R