Worn a few times. [Weight Adjustable from 1kg to 20kg] You can adjust the weight depending on the type of training. The vest (approx. 1kg) has 20 weights (approx. 1kg each). By putting in and taking out the weights in the 20 pockets (10 in the front and 10 in the back), you can adjust the load and train, enabling fulfilling bodyweight training. [Adjustable Belt & Easy On/Off] The weight vest has removable and adjustable belts, achieving a fit that integrates with the body. It's an adjustable weight vest that can extend the waist size up to 120cm, accommodating a wide range of body types, and is suitable for both men and women. You can easily put on and take off the weight vest just by attaching and detaching the Velcro. It won't slip even with vigorous movements. [Athlete-Oriented Design Pursuing Fit and Ease of Movement] This short-type weight vest emphasizes fit, stability, and ease of movement, allowing free movement of both arms, legs, and waist. It offers a large range of motion during exercise and training, enabling various training methods.