DeMarini 2015 CF7 Youth Baseball Bat (-11), Grey/Blue, 31-Inch/20-Ounce Paradox Plus Composite Barrel makes for an even lighter and stronger bat delivering the ideal swing weight and maximum POP D-Fusion FT Handle eliminates unwanted vibration and redirects energy back into the barrel The FT (flame tempered) treatment fuses handle to barrel for a stiffer feel with no vibration Low Pro End Cap is a dual density flat end cap designed to optimize a balanced swing weight and maintain ultimate feel throughout the barrel RCK Knob is an anatomically designed knob that will fit perfectly in your hand