The re-designed PowerMax VR Chute features a velcro baffle panel that can be opened or closed the achieve desired resistance. Open the baffle for reduced resistance or close to increase resistance. Only the PowerMax VR Chute allows you to train athletes with this kind of resistance specificity. Includes PowerMax VR Chute, 3" wide Velcro® fastened belt adjustable to 42" waist, carry bag and instructions.WeightBeginnerIntermediateAdvanced 210 lbs.Medium, LargeSmall, Large and Small Large and Small, Large and Medium, X-LargeAdvanced athletes may use two chutes simultaneously.Please Note: This item CANNOT ship to P.O. Boxes, APO, or FPO Addresses. It CAN ONLY ship to a Street Address.