SKLZ SpeedSac – Variable Weight Sprint Trainer Best Deal

September 16, 2014 / 0 comments

SKLZ SpeedSac – Variable Weight Sprint Trainer FH5U7 ↦ SKLZ § Blow past the competition when you train with the SKLZ SpeedSac. Designed to help you build explosive leg drive out of the blocks, this variable weight sled allows you to strengthen your lower body muscles by resistance training similar to metal sleds. With removable…

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