The tri-panel front provides conforming, full coverage with a slim fit while the burly materials, QR harness compatibility, and easy access pocket make Ringo excellent choice for all conditions. Technical Details:- Intended Use: Whitewater / Touring / SUP / Sea Entry: 3/4 front zip Shell Fabric: 500D Cordura, Stretch Polyester Liner Fabric: 200D Nylon Foam Insert: Organic Kapok, PVC Free GaiaA(R) & PE Foam Hardware: YKK Vislon Zippers, Acetal buckles Design Buoyancy: 16.3 lbs Approval Type: USCG Type III Sizing: S/M = 31-37" M/L = 38-44" L/XL = 45-51" Product Weight: 32 oz / 900g