Liquid Force Hinge Classic Women's CGA Life Jacket - Black / Aqua - 2015 Flex-Span Poly / Speed SkinThe Hinge features a light weight construction with 4 way stretch Flex-Span poly fabric to keep you moving. The Speed Skin panels leave the extra water behind as you accelerate. Inside our Stretch-Light lining fabric surrounds you in comfort. Flex-ArchitectureThe Hinge CGA has a 7 panel design to allow you freedom of movement. The 4 shoulder panels are specifically placed to keep your shoulders moving. The split sides and solid back panel design provide even back