O'Brien Men's V-Back Orange Life JacketThe O'Brien Men's Flex V-Back Life Vest features a V-Back stretch panel. This comfortable and light-weight life jacket has a zip closure and two belts for security. Features O'Brien's BioLite material-BioLite is an eco-friendly material that looks and feels like neoprene but contains no rubber foam or Volatile Organic Compounds.Features: Flex Fit; Accommodating design that stretches and wraps around the contours of your body; Split V-Back Stretch Panel; Maximum maneuverability and comfort; BioLite Construction; Soft, lightweight, breathable, and eco-friendly; Zip Closure with Two Concealed, Adjustable Belts; Easy entry, secure fit, and belts that will stay out of the way; Multiple Front and Side Hinges; Enhances range of motion; Wide Armholes; Improves mobility; Sizes Available Medium (36" - 40"); Large (40" - 44"); X-Large (44" - 48"); 2X-Large (48" - 52"); 3X-Large (52" - 56"); Harmonized U.S. Coast Guard & Transport Canada Approved