- Forces the calf muscles to support the full body load
- Increases vertical jump 5-10 inches
- Lowers 40-yard dash time by 2/10ths of a second
- Create maximal power output
- Improves lower leg strength and flexibility
The Strength Training Shoe can add 5-10 inches to your vertical leap, take 2/10 of a second off your 40 time, and increase your anaerobic power 500%. Strength Shoes can benefit athletes who want to excel in any sport basketball, football, soccer, track, volleyball, body building, baseball and more. Builds the calf and stretches the Achilles' tendon. 100% leather upper. Each pair of shoes comes with CD ROM and training manual. Wt. 25.3 oz..The Katapultâ„¢ men's shoe utilizes a plyometric construction to target calf muscles, building mass and definition while increasing the quantity of fast-twitch muscle fibers. Results include increases in vertical jump, r! eactive leg strength jumping skill, body coordination and range of motion.
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