STX Sidewinder Back Pack The STX Sidewinder Backpack is perfect for quickly grabbing your gear before a practice or training session. Inside, two large compartments and a vented front pocket hold all your gear exactly where you want it. With the heavy-duty base, you can pack it full without worry. There is also a jersey-lined pocket for accessories and adjustable side straps to hold your stick securely. Cushioned shoulder straps and back panel. Sz: 19" x 14" x 9".