This Hardcore 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+). Adult Universal made to fit chest sizes 32"-50". Youth Size 50-90 lbs. Child Size 30-50 lbs. Adult SuperLarge made to fit chest sizes 50"-60".