Athletes use workout sleds to improve their speed, develop power and build strength. But, Northern Fitness has a great selection that can bring the athlete experience to you. Heavy sleds are great for improving unilateral lower body strength. Whether you have a heavier indoor weight sled or you gradually add as much weight as you can handle, this is a great way to increase your endurance and build power and speed. You can also use your sled for pulling exercises that work the upper body: forearms, backs, biceps and core. Sleds are very versatile and benefit your strength routines but also help with mobility and speed. We have a selection of sleds and accessories that can get your incorporating this dynamic piece of equipment.