Superior flex, comfort, and warmth were the goals when the Quiksilver 4/3 Everyday Sessions Back Zip Wetsuit was created! Featuring Quiksilvers exclusive StretchFlight neoprene that brings a lightened-up approach to surfing, you’ll experience zero sagging or dragging with this highly responsive wetsuit. What’s more, its Bluesign® certified and eco-friendly design fuses performance with sustainability. Plus, our R&D team went after cold temps and water blockage with laser focus, developing an infrared thermal lining that will transform your body heat into warm energy.