The variable weight options safely strengthen 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 quadricept strengthening.
Multi-sport training drills are included on DVD.
Proven to improve your 40-yard dash time and overall speed and explosiveness.
Includes 3 durable weight bags that can be filled with up to 10 lbs of sand (30 lbs total).
Includes Instructional DVD and 6-Week progressive training workout plan.
Sand not included.