This extremely popular classic lumbar is more then capable of holding enough water and food for a day out on the trail. Features: Removable shoulder strap with a sliding pad Air mesh foam back panel Back panel airline ticket pocket Tuck-away waistbelt Delta Compression System load adjustment 2 water bottle pockets that accommodate 32 oz water bottles Elastic rigging 2 compression straps Strapette compatible Zippered main compartment Interior zippered hanging pocket Bright yellow lining promotes visibility Zippered front panel pocket Key clip Reflective highlights YKK zippers 420d Velocity nylon body fabric 420d High Density Oxford nylon reinforcements 210d mini rip stop nylon lining Volume: 488 ci Weight: 1 lb 5 oz Size: 10x11.5x5" Manufactures Website Address www.mountainsmith.com Warranty Information Lifetime warranty against materials and workmanship defects.