New Schutt "Striker II" Baseball Batter Training Aid OSFA Hitting Station Size:OSFA while the padded dual density foam 14:Onix Carbon Metallic Aluminum while the padded dual density foam liner works to absorb shock on impact BIODRI PADDED INNER LINER keeps players dry and cool while at the plate and on the bases WRAPPED EAR PADS add extra comfort and prevent wear and tear throughout the season THE Z5 2 This bat is recommended for swing practice as its guaranteed to last season after season due to its extreme durability muscle memory or pre game warm up Easily attaches to any chain link fence Compact size makes it easily portable to and from the field Unique wear indicator shows when you need to replace the ball teather