Weighted sled training helps build explosive leg drive, knee lift and stride frequency out of the blocks. The variable weight options of the SKLZ Speed Sac safely strengthens the lower body-muscle groups by providing options for increased resistance training similar to metal sleds. By removing the weight bags, athletes can use the handles on the bags to execute lunge walk for additional hamstring and quadricep strengthening.
- Multi-sport training drills are included on DVD.
- Includes 3 durable weight bags that can be filled with up to 10lbs of sand (not included) each for a 30lb total resistance level.
Customer Reviews for SKLZ Speed Sac
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