The MX EKG Shoulder pad is engineered utilizing the same principles of fit and protection that have made Maverik pads the preference of elite athletes. Now with a 5-point EKG deflection system the MX will help new players reach their highest potential PERFORMANCE TECHNOLOGIES: External Cardiac Guard meets NOCSAE performance standard to help address commotio cordis Traditional fit is designed to provide comfort and mobility Adjustable comfortfit arch allows players to personalize fit coverage and drape. QuickDry wicks moisture away from the skin keeping you cool and dry Anaform chest and spine plates are designed to manage high velocity impacts. DuraStretch panels across the torso allow pads to move with the body ADDITIONAL SPECS: Warranty: one month from date of sale to consumer