CAPACITY: 5L, Durable and water resistant 630 Denier High-Density Oxford Nylon fabric with TPU coated frontside and PU coated backside, YKK zippered front drop-tray storage with external Velcro® fly patch location plus one internal drop-in mesh pocket, Large-capacity YKK zippered main storage with an internal mesh pocket with key hook, The Hyplalon tool docking station on the side and webbing loops on the belt provide optimized accessory attachment locations, Quick-release adjustable strap buckle and padded mesh-lined lumbar panel for a comfortable fit, Dual side-entry mesh storage pocket located on underside for water bottles or packable rain jackets.