The FH Pro speed sled sack is ideal for resistance sprint training. Helps to Improve your sprint explosive speed with weighted sledge training.
Sack comes with 3 bags which can be filled with sand or weights up to 40kg to create the drag for lower body muscle training.
Adjustable weight options for variable weight resistance
Tested with Iron cast plates for training
Please note this product comes unfilled or without any weights. This needs to be purchased separately.