Osprey Savu 4 lumbar pack is ideal for quick laps on local singletrack or gravel trails. This slim waist pack features a 1.5-liter bladder with updated high-strength magnetic coupling for improved hose management even in rough terrain. It has enough storage capacity for ride essentials, such as a spare tube, CO2 and multi-tool and, of course, snacks. Constructed with high-quality bluesign-approved recycled high-tenacity nylon with a PFC-free DWR coating.