O'Neill Wetsuits Men's Hyperfreak F.U.Z.E. 4mm Full Suit 4mm Techno Butter Neoprene: Advanced super stretchy, 20% Lighter, 30% Less Water Absorption Front Upper Zip Entry (F.U.Z.E.) Closure System is an ultra-dry 3x water drain system that keeps you dry without restricting flexibility Double Super Seal Neck: Fully watertight to keep you warm and dry Minimal Seam Design: Insane flexibility, fit and warmth using a unique design which utilizes less seams Newly redesigned