For supplemental padding for added protection under the shoulder pads, this McDavid(tm) Youth HexPad(tm) 5-pad body shirt features Ultra hDc(tm) Moisture Management Technology for heat control, comfort, and performance. The patented, lightweight, breathable athletic foam conforms to and stretches with your body for continuous protection, while the shirt moves with the body to prevent skin irritations, chafing, and abrasions.