they have updated the composite material that is used for the bat and they have also updated the connection piece

Made of lightweight fabric and sweat-wicking technology

making it decoration friendly * Water-resistant * Zippered main compartment has large U-shaped opening with two zipper pulls * Bellowed front zippered pocket * Padded carry handle at top * Adjustable and detachable shoulder strap with comfortable padded handle * Durable vinyl on bottom of bag * 21"W x 11"H x 12"D

It is a youth

BP or practice

New Mizuno F21-PWR CRBN -10 Fastpitch Softball Bat 2021 Composite 2 Piece Size:33/23 they have updated the compositeDetonator Cor: Mizuno's Patent Pending design creates low barrel compression for great performance, while improving impact sound. Cylinder Seaming: Allows for consistent performance and durability across the barrel. Speed Helix Grip: Designed to provide comfort and durability. Dual Frequency Dampener: Mizuno's patent pending construction combines two different materials for vibration reduction and less flex for higher performance. Stiff Carbon Handle: