This weight training kit suitable for indoor and outdoors high-intensity interval training. This product is made of high-quality nylon material, strong, durable and wear-resistant. Made of high quality steel buckle and nylon webbing. It provides multiple training possibilities,such as push, pull and sprint for a full-on workout that will improve speed and agility. Harness pullover vest is easy to put on.Adjustable, padded shoulder harness to eliminate any shoulder strains or chaffing of the skin. Perfect for training speed and , an ideal tool for strengthening legs, calves, back, chest, shoulders and core strength. Adjustable bust size: 84-116 cm \/ 33.1-45.7 inches, hook capacity of 1.5tons. Size Chart: Bust size: 84-116 cm \/ 33.1-45.7 inches Webbing Length: 158cm\/62.2inch Shoulder Pad Width: 10cm\/3.94 inch Height:42cm\/16.5inch Package Includes: 1 pcs Weighted Sled Harness Kits