BRUCE BOLT Premium Purple Arm Sleeve Sizes:Adult L/XL Because they are pulled from

Because they are pulled from the production process of all Marucci bats

* Reinforced front double knee protector straps for added durability for indoor workouts

and large barrel

Fully wrapped elastic wristband improves structure and reinforces wrist strength

it also improves feel and maximizes sweet spot

BRUCE BOLT Premium Purple Arm Sleeve Sizes:Adult L/XL Because they are pulled fromThrow Harder Recover Faster BRUCE BOLT Premium Purple 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.