ONeill Hyperfreak Neoprene Slate Cool Grey 0.5mm Long Sleeve Rash Vest The Hyperfreak long sleeve top is made from 0.5mm exclusive Technobutter 3 neoprene. This soft thin neoprene top will keep you comfortable and take off that little bit of a chill. It is reversible, so pick and choose what best works with your boardshorts. The simple design is spiced up with a few O'Neill and Hyperfreak logos strategically placed. The light and flexible Lumber Seamless Design (LSD) will ensure no unwanted chaffing. Key Features: TechnoButter 3 Seamless paddle zones Flatloc stitch: breathable seams Boardshort connector UV protection 50+ Contortionist seamless shoulder Reversible Washing instruction: Rinse with cool water and drip dry out of direct sunlight ONeill Hyperfreak 0.5mm Slate Cool Grey Long Sleeve Rash Vest