- Extreme Sand Bag integrates weight training with instability, to develop functional strength.
- The sandbag will mold itself to your body.
- Fully adjustable from 2lbs to 64lbs.
- Use for throwing, passing, and catching drills.
- Builds grip strength and forearm conditioning.
- High-rep metabolic conditioning for muscular and aerobic endurance as well as agility.
- Take it anywhere—fill it when you get there.
Sandbag and inserts are made of heavy-grade canvas with reinforced stitching overall. Sandbag handgrips are made of heavy-duty webbing. Inserts have Velcro closures for easy sand-filling.