Our founder introduced this style of PFD almost 20 years ago, and we&&';;ve found that no other life jacket conforms better to a curvy body. Built to prioritize your comfort with hinged sides, sculpted chest support, organic kapok and a side entry zipper Technical Details: a Intended Use: Whitewater / Sea / Tour / SUPa Entry: A 1/4 zipa Foam Insert: Organic Kapok, PVC Free GaiaA(R)& PE Foama Shell Fabric: 200 x 400 Denier Ripstop Nylona Liner Fabric: 200 Denier High Tenacity NylonWebbing: Polyproa Zipper: YKKA(R) Self Locking Vislon Teetha Hardware: Heavy Duty Acetala Weight: 1.76 lbs / 28 oz / 800 gr - S/M 1.84 lbs / 29 oz / 830 gr - L/XLa Sizing: XS = 27-31" S/M = 31-37" M/L = 38-44" L/XL = 45-51"a Design Buoyancy: 16.3lbsa Approval Type: USCG Type III