The Maverik M6 EKG Shoulder Pad is engineered to deliver superior chest and shoulder protection without sacrificing mobility or speed. Utilizing Maverik's External Kardiac Guard (EKG) technology, the M6 meets the new NOCSAE rules External Kardiac Guard (EKG): meets the NOCSAE rules Detachable Biceps Velcro Waist Adjustability Quick-Dry Materials