Great for mountain biking, day hikes, or trail running. Two bottles included and are secured with hook and loop covered webbing straps. Horizontal compression strap ensures a stable ride, no matter what the load. Pack is carried on a 1 1/2" webbing belt, stablized by 3/4" inch lombar straps, with a padded, breathable reticulated foam back pad for comfort. Volume: 200 c.i. / 33.3 ltr. plus 2 bike bottles. Weight: 14.5 oz. / 412 g.