The Hyperlite Youth Life Vest is tested and approved by both the US Coast Guard and Transport Canada. Providing safety for youngsters weighing between 55 and 88 lbs., the Hyperlite Youth Life Vest is the most comfortable vest on the market. Just like Hyperlite's adult vests this vest utilizes Fluid Flex, TrueFit 4, and Biolite technologies. The wide neck and arm holes offer a great fit keeping your kids comfortable and safe. Eye-catching graphics look stylish and ensure high visibility while enjoying the water.• Harmonized Approval US Coast Guard and Transport Canada• Level 70 buoyancy aid• Lightweight Biolite neoprene exterior• TrueFit 4 Technology and Fluid Flex for maximum range of motion• Unique hinge design for flexibility• Concealed belts and heavy-duty front zipper• Tapered waist• Oversized arm holes• Fits 55-88 lb. youth Unique hinge design for flexibility Concealed belts & heavy-duty front zipper Harmonized US Coast Guard & Transport Canada approved