Switchback PlusTM body fabric blends nylon with elastane for a durable fabric that stretches, dries fast and offers UPF 50 sun protection * Conical waist is lined with Micro-ChamoisTM polyester to wick the moisture that can develop when you"re pushing the limits and wearing a pack * Drawcord at the waist lets you customize the fit you need * Cargo pockets on each side are secured wtih a zippered closure to items like your cell phone, wallet and compass don"t get lost * Full length inseam gusset and four-way stretch give you a broader range of movement so you aren"t restrained by your pants