The Marathon Sessions 4/3 Hooded Chest Zip Wetsuit has some incredible features for the price point. The Marathon Sessions 4/3 stays incredibly warm by combining Quiksilver’s WarmFlight Eco Infrared Liner and Liquid Flex Sealed seams. Constructed with partially recycled materials, the StretchFlight neoprene used in the Marathon Sessions is flexible and durable. The Marathon Sessions 4/3 Hooded Chest Zip Wetsuit cuts the wind chill with the help of the smooth skin panels found on the chest and back side of the suit. The Marathon Sessions utilizes spot taping in critical areas to increase durability and longevity.