Nike Vapor Elite Arm Pad - Men's The Nike Vapor Elite Lacrosse Arm Pad is designed with a low-profile lower arm pad that reduces weight and enhances flexibility. Targeted protection along upper arm keeps pad light and low profile. Nike Dri-FITŪ liner wicks away moisture. Recommended for advanced players. Sold in pairs. Size M is designed for players who weigh 91-140 pounds. Size L is designed for players who weigh over 140 pounds.