O'Neill Men's Reactor Lunar Life JacketThis O'Neill Men's Reactor Lunar Life Jacket is constructed of closed cell PVC marine foam with a segmented foam core to provide extreme durability and maximum comfort. The 100% polyester lining and overlock stitching gives it super strong seams. With anatomical flex points, this men's life jacket has increased mobility while the concealed dual belt system with quick-release dual safety buckles provide extra security. Features: Concealed Dual Belt System; Segmented Foam Core; Closed Cell PVC Marine Foam; Heavy Duty Front Zipper; Overlocked Stitched; 100% Polyester Lining; FilterTech Outer Envelope; Expansion Panels; Anatomical Flex Points; Quick-Release Dual Safety Buckles; Sizes: Medium Chest Size: 37" - 39"; ; Large Chest Size: 39" - 41"; ; X-Large Chest Size: 41" - 43"; ; XX-Large Chest Size: 43" - 45"; ; XXX-Large Chest Size: 47.5" - 50.5"; ;