Psycho Tech 4/3+mm B/Z Full Size:S Stain release finish

Stain release finish

Logo is on the wearer's left chest

the Phase is now equipped with the intuitive BOA® Fit System to make it easier to dial in the perfect fit

short sleeve

Zippered hand-warmer pockets and zippered internal chest pocket

Psycho Tech 4/3+mm B/Z Full Size:S Stain release finishO'Neill's Psycho Tech range focuses on ultimate warmth and durability with high performance recycled materials and water tight double sealed stitchless seams. Sustainable TB4 Firewall technology radiates throughout with TB4 Duraskin Air Firewall in the chest and back to shield against the cold while retaining and recirculating your body heat. Designed to keep you in the water longer, toasty, and stoked. Z. E. N. Zip Closure (Back Zip) Redzone Water