Special modified EVA foam arms, spine and sternum for lightweight, form-fitting protection. FitLite and F.I.T. two piece shoulders create an excellent range of motion and fit. F.A.V. front construction creates air circulation. Griptonite on rib padding so shoulder pad doesn't ride up or swivel. Play Dry liner for moisture control.Floating clavicle and chest protection. Removable and adjustable upper arm pads and adjustable arm straps.