High performance neoprene jacket for all types of watersports. 1.5 mm thick premium neoprene (Inner and Outer layer). Full body neoprene for maximum comfort and protection. Child and Youth sizes are made of PVC foam. All Adult sizes are made of EPE foam. 2 body belts with 2” adjustable belts and YKK buckle and zipper. Deep arm hole for superior range of motion. Super strong stitching for maximum durability. Adult: USCG Approved Type III. Child: USCG Approved Type II.