SKLZ Speed Sac
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Build explosive leg speed with the SKLZ Speed Sac. This variable weight sled helps you strengthen lower body muscles, functioning like a metal sled. Removable weights allow you to customize your training experience.
• Includes three durable weight bags that can each be filled with up to 10lbs of sand.
• Adjustable leash length to accommodate athletes of any size.
• Only use on grass, turf, or wood surface.