The Psycho One minimal seam madness is the ultimate high-performance coldwater wetsuit. Built with TechnoButter 2, and available in both F.U.Z.E. (Front Upper Zip Entry) and Z.E.N. Zip Closures. The patented Z.E.N. Back Zip Entry with Drain Hole creates the flexibility and feel of a zipperless suit with the ease of entry/exit of a traditional back zip. Available in 3/2mm and 4/3mm models.
O'Neill Psycho One ZEN Wetsuit 2017