The O'Neill O'Zone Tech Crew Hooded Rashguard is the furthest you can get for cold weather/and/or super harsh UV rays in a rashguard before moving onto a standard wetsuit top. Utilizing the latest technology, O'Neill injected the Hooded O'Zone Tech Long Sleeve Rashguard with titanium oxide to keep it from absorbing as much water, keeping your temperature regulated better and keeping you in the water longer! Ergonomic seaming, flatloc stitched, UPF 50+ protection, utility pocket, adjustable waist with cinch lock.