Astral’s Best-Fitting Men’s PFD | Type III PFD conforms to any body type for whitewater paddling and long-distance tours on calmer waters. Organic Kapok | Naturally buoyant fibers sustainably sourced from Kapok trees help this life vest achieve USCG Type III approval and 16.3 pounds of buoyancy. Contoured Fit | Fully adjustable and articulated flotation eliminates bulk and maximizes range of motion while keeping a lower profile. River-Friendly Features | Large front pocket with internal organization, including a key pocket with a loop. Quick access knife tab. ¾ side entry ensures easy on-and-off. Technical Details | [Intended Use] Tour, SUP, Whitewater; [Entry] Side Zip; [Foam Insert] Organic Kapok, PVC-Free Gaia, Polyethylene; [Shell Fabric] 500D Cordura Nylon Canvas, Stretch Polyester; [Zipper] YKK Auto-Locking Vislon; [Weight] 1.8lb; [Sizing] (S/M) 31 - 37in, (M/L) 38 - 44in, (L/XL) 45 - 51in; [Design Buoyancy] 16.3lb; [Approval Type] USCG Type III