This Hardcore® Adult Life Vest is the most versatile life jacket available on the market today. This Life jacket can be used for a wide range activities from Fishing to Waterskiing to Boating and Tubing, plus they are adjustable enough to fit the majority of adults and teens (90 lbs+). For Adults over 90 lbs. Durable polyester construction. Secure 1" webbing Open sided vest Type III, US Coast Guard approved for use on board a boat.