Enhance your agility and speed with this SKLZ Speedsac variable weight sprint trainer. Designed by experts, this black trainer is perfect for athletes who want to improve their performance. It comes with a set of features, such as weighted design and adjustable weight options, that make it ideal for speed training.

This SKLZ Speedsac trainer is an excellent tool for both beginners and professionals who want to increase their sprinting speed. With its durable construction and innovative design, you can easily improve your agility and power. So, whether you're getting ready for a football match or any other sport, this trainer will help you achieve your goals.