Your extremities are the first thing to feel the effects of the cold when you are diving. Remaining agile is very important when handling gauges, regulators, or cameras and to successfully navigate rolling boats and decks loaded with dive gear. O'Neill has redefined the accessory market by finding the perfect combination of flexibility, durability and insulation for all diving environments. Anatomical Fit Slip on Design Heel Fin Tab Reef Protection Glideskin O'Ring Seal Ergonomic Flex Sole Exterior: FluidFoam Interior: FluidFoam