O'Neill Psycho Tech 4/3mm Chest Zip Steamer

The Psycho Tech series is the pinnacle of our wetsuit evolution. Refined endlessly by our global design team and test pilots, the best suit on the market just got better. This seasons Psycho Tech features a combination of innovative layering and liners for next level warmth and comfort. This, combined with eco-freindly materials, make this the best Psycho Tech we've ever made. Be the WARMEST IN THE WATER and surf longer.