New Other 2012 Worth FPX Composite Fastpitch Softball Bat 29 17oz Drop 12 FPFPX 29 17:Blue Comp Lite End Cap Enhances Balance Lavender Comp Lite End Cap Enhances Balance and Increases Swing Speeds (see pics) Ventilation ports along the front shell and knee cap accelerate airflow to keep your legs cool Hinged knee cap promotes independent movement during strides Removable liner delivers a cushioned fit that minimizes moisture accumulation Anatomical design forms to the shape of your leg for maximum comfort Adjustable upper lock and calf strap offer dual support to ensure a perfect fit Shin: Ribbed polyethylene cap Knee: Polyethylene cap Thigh: Extended foam paneling Calf: Anatomical molded foam 100% Composite The evenly balanced weight distribution allows players to have a better feel