2mm Men's Volcom STONE NEO Wetsuit Jacket Protect yourself from wind and sun in the 2mm Men's Volcom STONE NEO Wetsuit Jacket. With 50+ UV protection, this 2mm neoprene pullover style jacket is as functional as it is cool. Featuring glued and blindstitched seams to keep water flushing to a minimum during your sessions, leak resistant seals at the neck and wrists, and a drawstring waist to keep you comfortable and secure in the water.