The O'Neill Hammer 2mm Chest Zip Shorty Wetsuit in Abyss, DayGlo & Ocean. The Hammer Series has a suit nailed for every condition, maintaining exceptional styling, fit and unrestricted movement it’s made with 100% Super Stretch materials and is now double lined with minimal seam and a F.U.Z.E. closure. Shop Now and Save 40% Off Men's O'Neill Hammer 2mm Chest Zip Shorty Wetsuit in Abyss, DayGlo & Ocean.