Built from premium and durable quick-drying materials, the Headwaters Vest features highly breathable spacer mesh padding over the shoulders for added comfort when fully loaded. Lined with soft polyester mesh and finished with a cozy rib knit collar, it makes it easy to find your flow and includes four lower pockets specifically sized to accommodate C&F Design Fly Boxes. Specs Durable nylon woven ripstop main body textile Lightweight polyester mesh lining with padded spacer mesh shoulder for comfort and breathability Four lower flapped pockets with quick pull tabs and four YKK(R) zippered pockets that fit small, medium, and large CNF fly boxes Two bonded stretch, YKK zippered chest pockets, and Velcro(R) fly patches including accessory attachment points Two low-profile slide chest pockets with magnetic closure for quick and easy access, one with a built-in sunglass chamois Large capacity rear storage pocket for jackets, waterbottle, and meal storage