Zip-up front

The LYCRA® elements allow for freedom of movement and maximum shape- and color-retention

high-intensity activity

Back patch pocket

O'Neill Men's Psycho One Zen 4/3mm Back Zip Wetsuit YGroup_8650015604904 Zip-up frontThe O'Neill Men's Psycho One Zen 4 3mm Back Zip Wetsuit features advanced Technobutter 3 Neoprene that combines an unparalleled premium feel and lightweight flexibility. Composition 100% Neoprene. Features Technobutter 3 Neoprene: TB3 Exterior Jersey Maximum stretch hydrophobic yarns that keep your flexible and dry by shedding water for the lifetime of the suit. Envy Foam Rubber Core Featherlight warmth. Microscopic air cell rubber core formula