SKLZ Speed Sac, Variable-Weight Resistance Sled Trainer, Strength Training Equipment, Adjustable Leash & Waist Belt, Black, 4.54-13.6kg

Enhance your athletic performance with the SKLZ SpeedSac, designed to strengthen lower-body muscle groups for improved speed and explosiveness in any sport or activity you pursue. Experience versatile training with adjustable weights, allowing you to customise resistance levels for optimal conditioning and tailored workouts that suit your fitness goals. The innovative 360-degree belt enables multi-directional training, helping you develop agility and power in all directions, perfect for athletes looking to elevate their game. Each SpeedSac comes with three durable weight bags, easily filled with sand, providing a maximum resistance of 13.6 kg to challenge your strength and endurance effectively. Crafted from high-quality materials, the SpeedSac is built to withstand rigorous training sessions, ensuring it remains a reliable companion for athletes throughout the seasons.