The REI Flash 30 pack is designed to hold a days gear so you can travel light and with great comfort. Firm, dense foam framesheet is removable for going fast and light roll it up and stow in bigger pack on multiday trips. Integrated shoulder and torso pads supply comfortable load carrying adjustable, sliding sternum strap adds stability and helps keep straps ideally positioned. Lightweight mesh hipbelt adjusts with an ergonomic forward pulling motion, keeping pack in close for stability hipbelt pocket allows quick access to small essentials. Front of pack features a bungee system and simple, lightweight tool attachments for quickly stashing trekking poles, ice axes and jacket or sit pad. Inside, 2 toggles hang your hydration reservoir sold separately central exit port allows tube to route over either shoulder. Water-repellent zippered top pocket and deep mesh side pockets let you stash your water bottle, GPS and other items for convenient access. 140-denier ripstop nylon construction provides increased durability without added weight polyurethane coating offers weather resistance.