This O'Neill Heat 6/5/4 FSW with hood is an appropriate name since the attached hood and UltraFlex Firewall in the chest and back will make sure you retain all your body heat and stay protected from the bitter cold water while you're wearing it. This suit will always keep you protected due to the exterior Fluid Seam Weld, Sidewinder S-Curve seams and Lumbar Seamless Design. When you eventual need to take it off the front Convert Code Red Zipper also allows easy in, easy out usability.