SKLZ Speedsac- Adjustable Weight Sled Trainer for Sprinters (10-30 lbs).
- VARIABLE WEIGHT RESISTANCE. With three, 10 lb. removable weight sacks, you can modify your obstruction preparing in light of your athletic needs. Change the rope length to oblige competitors of any size.
- INVEST IN YOUR GOALS. Putting resources into sports gear implies putting resources into your preparation and athletic objectives. Discover the power in your walk, dash, and separation as you utilize the SKLZ Speedsac Variable-Weight Sprint Trainer to propel yourself and meet your goals