O'Neill Hyperfreak 1.5mm Long Sleeve Wetsuit Top For Men The O'Neill Hyperfreak wetsuit top is perfect for warm summer days when you want to get in the water and be able to stay in for longer. The 1.5mm means the thickness of the neoprene and this is what traps your body heat to keep you warm than you would be without any suit or top. The great thing about the Hyerfreak top is that it is incredibly flexible so there is no restriction to your movement.  Ideal for any water sports enthusiast that wants to make the most out of enjoying the sea. Features  1.5mm Neoprene Technobutter neoprene which is super flexible and light weight. Long Sleeve Top Glued and Blindstitched seams Double Layer Neck Seal  O'Neill Hyperfreak 1.5mm Long Sleeve Wetsuit Jacket 2017