Home Strength Training SKLZ SpeedSac Variable Weight Resistance Training Sled

SKLZ SpeedSac Variable Weight Resistance Training Sled

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Here is a variable weight resistance trainer that helps sprinters, football players, and other athletes build strength and explosiveness in their lower body. The SKLZ Speed Sac variable-weight resistance sled trainer has 3 removable weight bags that can be filled with 10 pounds of sand. The 360-degree belt ring allows for multi-directional training.

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The durable nylon shell is ideal for use on grass or wood surfaces.

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