Second only to the PsychoFreak the O'Neill PsychoTech 2015 winter wetsuit is a new incarnation of the Pyrotech of seasons past offering the very latest and greatest of O'Neill's RandD technology listed below the exception being its single sealed seams which were supersede this year only by the double sealed seams of the PsychoFreak. Which means however you cut it the PsychoTech is in good standing in the high-end wetsuit category. Size: MEDIUM SHORT,MEDIUM TALL,LARGE TALL,LARGE SHORT.