YBGX-4 Size: Extra Large Features: -Weighted batting gloves.-Small size for adult and Medium, Large or Extra Large for youth.-Increase muscle strength within natural motion of bat swing.-Gloves develop bat speed through increased muscle strength.-Sportswear features double strap velcro fasteners for added support. Includes: -Includes 12-week training program. Options: -Available in Small, Medium, Large or Extra Large sizes. Dimensions: -Overall dimensions: 12" H x 5" - 7" W x 1" D.