Astral Buoyancy Ringo Organic Kapok PFD M/L, Ocean BlueThe Astral Ringo is a great all around PFD option made from durable, sustainable materials to keep you afloat. Even with a slim, conforming fit, you still get full coverage with this vest. A 500D Cordura and stretch polyester exterior and 200D nylon interior bolsters the durability of this vest. The Organic Kapok plant fiber in the foam inserts is the most sustainable buoyancy material out there. The inserts for Astrals lineup are also completely free