It helps to prevent damage to the calf muscles

The new 2020 Maxxum 360 model

Midweight hoodie suitable for moderate temperatures Pullover Contrast-color hood lining Embroidered graphics Hood with drawstring Embroidered fabric appliques Fleece lining Front pouch pocket Long sleeve Machine wash

Rain Defender durable water-repellent finish Spandex-reinforced cuffs and waistband Three-piece jersey-lined hood

Its an ASA 2004 certified bat (does not have the USSSA stamp)

New Adidas Boy's BOS Fleece Hoodie Size 8 Royal/White Pullover Kangaroo Pouch Purple/White/Black It helps to prevent damageA bold BOS front logo and the classic 3 stripe design come together for this comfortable hooded pullover. S=8, Attached hood. Long sleeves. Sleeve 3 stripe detail. Kangaroo pocket. BOS logo print.