SKLZ Speed Sac, Variable-Weight Resistance Sled Trainer, Strength Training Equipment, Adjustable Leash & Waist Belt…

This SKLZ Speed Sac variable-weight resistance sled trainer helps sprinters, football players, and other athletes strengthen and develop lower body muscles to improve speed and explosiveness. The three removable weight bags can each be filled with up to 10 pounds of sand for a total of up to 30 pounds of resistance (sand is not included). A 360-degree belt ring allows for multi-directional training to help increase mobility and agility in every direction. The SKLZ Speed Sac is built with durable nylon materials for long lasting performance on grass, turf, or wood surfaces. Velcro-secured straps hold weight bags firmly in place no matter how hard the workout, and the fully-adjustable leash accommodates athletes of any size. Includes Speed Sac shell, 3 sand bags (sand not included), adjustable leash and belt with 360-degree ring. Limited 1-year manufacturer’s .

Variable weight resistance trainer helps sprinters, football players, and other athletes strengthen lower-body to improve speed and explosiveness
Three removable weight bags can each be filled with up to 10-pounds of sand to adjust towing resistance for variable weight training
360-Degree belt ring allows for multi-directional training to improve strength and mobility in any direction; adjustable leash fits any sized athlete
Durable nylon shell for use on grass, turf, or wood surfaces; Velcro-secured straps hold weight bags firmly in place
Includes speed sac shell, 3 Sand bags (sand not included), Adjustable leash and waist belt; limited 1-Year manufacturer’s