STX Agent Lacrosse Rib Pads - Men's We've been expecting you. The STX Agent Rib Pads deliver excellent protection with reinforced shield and multi layer foam construction for the dispersion of high impact hacks. A wrap around, anatomical design is contoured for hips, ribs and spine. A super soft liner with microbe shield feels comfortable, wicks away unwanted moisture and protects from odor. The breathable mesh vest and wide elastic straps provide a customized fit. Hack into the game protected with the STX Agent Rib Pads. Size M is designed for players who weigh 91-140 pounds. Size L is designed for players who weigh over 140 pounds.