STX Stinger Lacrosse Shoulder Pad - Men's The swarm is on with the STX Stinger Shoulder Pad. These lacrosse shoulder pads are ideal for the beginning player and offer a durable polyester shell for multi-season play. The faster, more aggressive styling comes equipped with high-impact molded shoulder caps and adjustable/removable biceps pads for ultimate protection against checks. The super-soft liner feels comfortable and wicks away unwanted moisture while the quick-release buckle strap system keeps the pads in place. Create a buzz about your game with the STX Stinger Shoulder Pad. Size S is designed for players who weigh 71-90 pounds. Size M is designed for players who weigh 91-140 pounds. Size L is designed for players who weigh over 140 pounds.