BRUCE BOLT Premium Maroon Arm Sleeve Sizes:Youth Stock Size Circumference

Stock Size Circumference

Pro-stitched finish

& LIVE batting practice up to 55 mph

Rubberized synthetic thumb layer prevents friction in a high-wear area

Our goal is to make the best baseball gloves in the world

BRUCE BOLT Premium Maroon Arm Sleeve Sizes:Youth Stock Size CircumferenceThrow Harder Recover Faster BRUCE BOLT Premium Maroon graduated compression arm sleeves are designed to increase blood flow. They also decrease muscle vibration during the throwing motion to keep your arm feeling live throughout the game. THROW HARDER, LONGER: Graduated compression sleeves increase blood flow to the arm. They accomplish this by dilating the players arteries by 40% and by compressing the veins. Increased blood flow means more oxygen.