Gill's USCG-approved, Type III life jackets have been designed for unrestricted freedom of movement while maintaining maximum comfort. The life vests' wide range of sizes and nice adjustment points make for superb fits. With a choice of front or side zip entry these styles are an excellent choice for large and small boat racers as well as general boating and fishing. Child size features 20"-25" chest as well as a crotch strap. Youth size features a 26"-29" chest.