Challenger Starting Blocks mizuno2ndhalf2022 our signature compression technology uses

our signature compression technology uses circular knitting techniques for 360° compression with precisely controlled zones of support and activation throughout the garment

aggressive outsole traction

The result is an outsole with increased stiffness and reduced weight

FuelCell foam midsole delivers responsive energy return

clip-pull sizing

Challenger Starting Blocks mizuno2ndhalf2022 our signature compression technology usesChallenger Starting Blocks are your perfect sprint training companion! The starting blocks allow you to shift your weight to your shoulders & hands so when the race starts you're already up on your feet using momentum to accelerate forward. Great training starting block Builds confidence in athletes for competition Made of double square steel tubes Paddle position adjustable with snap lock plunger for quick adjustments and secure locking Steel paddles