SKLZ Chrome SpeedSac Pro-Variable Weight Sprint Trainer

SKLZ Chrome SpeedSac Pro-Variable Weight Sprint Trainer

$139.99 (as of May 3, 2019, 10:02 pm)

Heavy duty belt with adjustable length leash
SpeedSac Pro and four (4) weight bags with dual-buckle enclosure
Loaded sprint training develops the gluteus muscle group

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Description

Build explosive leg drive out of the blocks with the SKLZ SpeedSac. This variable weight sled allows you to strengthen your lower body-muscle groups by providing options for increased resistance training similar to metal sleds. You can also use the handles on the bags to execute lunge walk for additional hamstring and quadriceps strengthening.
Heavy duty belt with adjustable length leash
SpeedSac Pro and four (4) weight bags with dual-buckle enclosure
Loaded sprint training develops the gluteus muscle group