The O'Neill Reactor Vest is designed with anatomical flex points and expansion panels for a comfortable fit that will keep you active on the water all day. This vest is made from closed-cell PVC marine foam and has a soft 100% polyester lining and FilterTech outer shell. Segmented foam core and anatomical flex points keep you moving freely. Features concealed dual belt system with quick-release buckles and heavy-duty front zipper. Fits youth 50-90 lbs. USCG approved. Concealer Belt System FilterTech outer shell USCG approved | Youth Reactor Life Jacket - Red