1.Material: 600D polyester 2.Inside secure pocket keeps your wallet safe and close at hand 3.Two large main compartments with double zippers allow easy stuff and opening 4.One large front pocket for easy extra storages 5.Interior organizers 6.Two mesh sides pockets for water bottle or other small items 7.Elastic drawcord at front side for extra gear 8.Compression straps create load stability and secure storage for additional gear 9.Shoulder straps contoured with air mesh lining 10.Full padded back panel with spiral channel for air ventilation