Freedom of movement has never looked so good

Featuring a fresh chic design

Back patch pocket

high-intensity activity

Wash in washing machine on cold/light spin only

O'Neill Men's Psycho One Zen 4/3mm Back Zip Wetsuit YGroup_8650015604904 Freedom of movement has neverThe 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