SKLZ Speed Sac
Build explosive leg drive and speed, right of the blocks, so you're ready to dominate when the big moment comes.
- This variable weight sled allows you to strengthen your lower body muscles with resistance training similar to metal sleds.
- With removable weights, the SpeedSac allows you to adjust towing resistance.
- You can also use the handles on the bags to perform various upper and lower body exercises such as lunges or front raises.
- Improve 40-yard dash times, overall speed, and explosiveness.
- Strengthen lower-body muscle groups.
- Adjust weight options for variable weight resistance.
- Includes three durable weight bags that can each be filled with up to 10 lbs of sand (30 lbs total).
- Adjustable leash length to accommodate athletes of any size.