Be light as a feather, stiff as a board and ready to make things happen in the Nike Vapor Shoulder Pad. These lacrosse shoulder pads feature the LP impact system. This protective system includes a next-gen AirZone to absorb the shock of heavy hitters, injection molded shoulder caps and a microleather shell. Compression material on the arm and mesh interwoven in the shell aid the "split" design in comfort, fit and cool performance. Size M is designed for players who weigh 91-140 pounds. Size L is designed for players who weigh over 140 pounds.