USWE BAG HYDRATION AIRBORNE-3 w/2L SHAPESHIFT BLADDER BK Shape-Shift 1,5L hydration system (*2,0L unzipped baffle) LWH 15.0 x 11.0 x 3.00 High ventilated back panel with anti-slip foam ridges for ventilation Attachment system for: helmet (xc and full face) Tube port compatible with HHF kit