New Other AliMed Baseball Softball Knee Saver Youth 5' 7" Green Size:OSFM Detonator COR technology for low grip has dry rot from storage Detonator COR technology for low barrel compression Dual Frequency Dampener: 2 piece design for a great feel with less vibration Black Onyx Carbon Barrel to increase power with a shorter break in period Speed helix grip: designed to provide comfort and durability Cylinder seaming: allows for consistent performance and durability across the barrel Approved for: ASA 0 Technology Enlarges Sweet Spot for Consistent Crushing Ultra Responsive Design No extra pieces or parts to lose Contoured knee supports Foam construction for increased comfort Knee saver attaches directly to your leg guards