The ultra-light sleek design of these junior life jackets not only looks great, but also feels great! Made of eco-friendly BioLite that’s extremely lightweight and comfortable for the little ones. Vest features large armholes and zip closure for security. Flex-fit V-back insert offers more freedom of movement. USCG approved type III. For juniors from 75 – 125 lbs. Vest length: 19-1/2″. Chest: 28″ – 32″.BioLite – An Eco-Friendly Alternative to NeopreneBioLite looks and feels like neoprene, but with many added benefits: Lighter weight than neoprene. Contains no rubber foam. Breathable material efficiently evacuates water and lets air through. More environmentally friendly to produce. No lamination process. No Volatile Organic Compounds (VOCs) which reduce indoor air quality.