The STX Cell 4 arm guards have an all new floating elbow cap and silicone non-slip strips placed inside the Lycra sleeve and make this one of the best lacrosse arm pads for attack in the game. You will see this best selling Cell series on nearly every field with most every age up through college players. The STX Cell 4 arm guards have a no hinge design that does not bunch or crinkle up on your inner elbow joint when flexing your arm. In addition, the new floating elbow cap was enlarged a bit to cover more of the sensitive part of your elbow. Offensive players of all ages can go to the cage with confidence. STX engineered the Cell 4 arm guards to be 25% lighter than last years best seller. Slip these on and you won't even know you are wearing them in a few minutes.The whole mantra of the Cell padding series is the soft and supple feel, both inside and out, on these pads. Elite level players across the nation all know the STX Cell has been a go to padding line for gloves and shoulder pads as well for the same soft feel!