1.Material in 600D polyester 2.Inside secure pocket keeps your wallet safe and close at hand 3.One large main compartment with wide zipper opening allow for easy stuff and opening 4.One quick 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.Reflective stripes at front side for safety at night 9.Shoulder straps contoured with air mesh lining 10.Fully padded back panel with spiral channel for air ventilation