1、Made of high-density thickening oxford fabric, durable to use. 2、Designed with widening shoulder, comfortable to wear. 3、Highly flexible compressed sponge interlining, for conservation and shock absorption. If you want to buy a high quality weight-bearing sand clothing to avoid hurt in boxing, then this Adjustable Weighted Vest will be your best choice. This kind of sand clothing is designed specifically for Sanda competition and sparring. It has the perfect function of conservation for trainers and competitors. It is used mainly for wrapping around your upper body to prevent the punches, kicks and knee strikes. Moreover, the sand weight is adjustable. It is made of high density material and comfortable to wear. Features: Made of high-density thickening oxford fabric, durable to use. Designed with widening shoulder, comfortable to wear. Highly flexible compressed sponge interlining, for conservation and shock absorption. With 16pcs pouches for loading sand or steel plate(NOT included). It is an ideal equipment for physical fitness, losing weight and exercising agile. Specifications: Color: Black Material: Oxford fabric Max loading: 20kg (when loading steel plate), 10kg (when loading sand), 5kg (when loading sand pouches) Length: 60cm / 23.6in Width: 42cm / 16.5in Weight (Empty): 600g / 1.32lb Package List: 1 * Adjustable Weighted Vest 16 * Pouch 1 * Adjustable Weighted Vest 16 * Pouch