Merrell Women's Proterra Vim Sport Hiking Day Pack 100% Nylon Imported Ergonomic, adjustable waist belt and shoulder straps for a custom fit that follows your form Zippered main compartment stores day hike essentials and extra layer Breathable padded mesh for drier comfort in pack-carrying areas Exterior stuff pockets with compression strap secures maps or snacks 16L volume/1824 cu. In capacity Ergonomic, adjustable waist belt and shoulder straps for a custom fit that follows your form