SKLZ SpeedSac Variable Weight Sprint Trainer Sled Trainer mini hoop Enjoy an active lifestyle without

Enjoy an active lifestyle without pain and discomfort with Re-flex Prime 2

it is also water resistant

DESIGNED BY SPORTS TRAINER

including hardwood

Available in: 4 kg

SKLZ SpeedSac Variable Weight Sprint Trainer Sled Trainer mini hoop Enjoy an active lifestyle withoutBuild explosive leg drive and speed right of the blocks with the SpeedSac. This variable weight sled allows you to strengthen your lower body muscles by resistance training similar to metal sleds. With removable weights, the SpeedSac allows you to adjust the 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. Note: Only use on grass, turf or wood surface. Use on