The O'Brien Women's Flex V-Back Life Jacket is a flexible and lightweight life jacket that provides safety, comfort, and performance out on the water. Multiple hinges and the V-back stretch panel deliver unsurpassed mobility while doing watersport activities. The full front zipper and two concealed, adjustable belts keep the life jacket snug and secure. Additionally, this life jacket incorporates BioLite technology, making it lighter, more breathable, and more environmentally friendly than neoprene. This comfortable jacket is US Coast Guard Approved.