Leatt dbx enduro lite 20fully welded waterproof lightweight bicycle hydration system with multi impact level 1 back protector the unique chest harness ensures a very solid fit making the waist strap obsolete the bag hitting your helmet going down hill is now the past includes bottom jacketprotector storage straps heat resistant encapsulated bladder pocket and a strap system for fullface orand mtb helmet featureswaterproof light bicycle hydration with back protector 20l flat cleantech bl