External pockets keep your water bottle, shoes, and sweaty gear separate Easy-access side pockets keep your jacket stowed at arm's reach Internal pockets hold the essentials Reflective details Removable shoulder strap can be used to carry removable, interior pouch as a cross-body Dimensions: 54cm x 25cm x 31cm(21.3" x 9.8" x 12.2") Volume: 24L