STX Cell VI Arm Pads The Cell VI™ lacrosse arm pads offer protection and comfort, with a new 3-piece design for improved coverage and mobility compared to prior versions. The Cell 6 now also has a breathable lycra sleeve for an improved fit. The 360+ Strap System allows for customization of fit, and prevents any pad slippage, allowing you to perform your best without having to worry about your gear getting in the way.