O'Brien Women's Aviator Life Jacket - Powder BlueStay safe and move freely with the O'Brien Women's Neo Flex V-Back Life Jacket. With flexible panels, a tapered fit, and oversized armholes, it's built for all-day comfort and mobility. Breathable BioLite fabric, secure zip closure, and dual safety approval make it the perfect choice for any water adventure.Features: Chest/Shoulder Flex Panels and Smooth Side Panels; Tapered waist for Accommodating Feel; Oversized Arm Opening for Superior Mobility; Double split back panel for a more accommodating fit; Biolite outer front panels for comfortable fit; Zip closure and 2 concealed, adjustable belts for security; Multiple hinge points for maneuverability; PWC Ring; Harmonized U.S. Coast Guard & Transport Canada Approved; Sizes Available Medium (36" - 40"); Large (40" - 44"); X-Large (44" - 48");