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The speedsac indoor / outdoor by SKLZ is ideal for building explosive power. The speedsac is a very good solution to make training your leg muscles. Alteration to It is possible to make by mItem IDs of weight – bags to add or to take away. Speedsac the heavier and lighter The Speedsac is recommended not to use on concrete.
When speedsac includes: -Speedsac bag -Adjustable belt -Adjustable line -Three weight bags, each weighing 4.5 kilograms -Instruction DVD

Exchange warranty YES

SKLZ SpeedSac – Variable Weight Sprint Trainer

sklz speedsac
$ 59.98 buy >>

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Pinned 2014-09-07