The Neo Pocket Waist Pack is built for the minimalist. This lightweight pack is built from water-resistant, quick-drying neoprene and features a slim profile that fits comfortably under jackets and outer layers. It&';s the ideal size to hold the essentials for a quick run or hike: the zippered main compartment holds your phone, keys, and wallet, while the front mesh stash pocket is designed with quick access in mind - perfect for an energy gel or bar. Details: Lightweight, minimalist design Slim profile fits comfortably under jackets Made of water-resistant, quick-drying neoprene Zippered main compartment External mesh stash pocket Waist strap adjusts from 20" to 40"