Shock Doctor Velocity ShockSkin Lacrosse 5-Pad Cap Sleeve Shirt (Youth) microfiber Movable fabrics and vented foam pads move and contour with the body for ultimate comfort and lightweight protection Four-way stretch mesh zones and vented foam maximize breathability in multiple areas to accelerate the transfer of heat and moisture away from your body Youth size S fits a 23" to 24" chest Short cap sleeve, droptail hem and chafe-free flatlock seams for maximum comfort