Sports Running Parachute Resistance Speed Trainer Resistance Umbrella Features: Resistance training, increase explosive force, speed and core strength Parachute and belt for speed training. When you take this resistance umbrella running, because the air resistance will produce backward drag, you run faster, the resulting drag force is greater. A good athlete can wear more than 2 resistance umbrella to train at the same time. According to the speed of different, can provide 5-15 kilograms of resistance. Helps improve muscular endurance. Easy to use with an adjustable belt suitable for various types of users. Includes a portable bag, easy to storage and carry. Specifications: Type: Resistance Umbrella Feature: Folding, Portable Material: Polyester Color: As shown in the picture Functions: Resistance Training, Increase Explosive Force, Speed and Core Strength Weight: 200 g / 7.05 oz Package Content: 1 x Running Parachute Resistance Umbrella Speed Trainer (With A Storage Bag)