Your mind's in it - but can your pants handle the rugged conditions ahead? Whether it's a new route at your favorite crag or a tough, multi-peak hike, Marmot's Arch Rock Pants have flexible strength built into them, thanks to an abrasion-resistant, lightweight nylon blend. But, as you know, things heat up or a light drizzle passes through, and for those variables, their quick-drying, water-resistant, and UV-blocking material adjusts right with you.. . 94% Nylon/6% Elastane Stretch Dobby 3.7 oz./yd.. Bluesign-Approved Fabric. Abrasion-Resistant Nylon Fabric. Packable, Breathable, and Lightweight. Ultraviolet Protection Factor (UPF) 50. Quick-Drying. Durable Water-Resistant Finish (DWR). Stretch for Increased Mobility. Inseam Gusset For Increased Range Of Motion. Zipper Secure Side Pocket. Back Pockets. Articulated Knees. DriClime