UltraFlex DS Neoprene – 100% Ultra Stretch. Super gooey for superior feel and flexibility.

FluidFlex™ Firewall Interior – Measurably warmer and more flexible.

Z.E.N. Zip Closure System – O'Neill's innovative patented Z.E.N zip system. This free floating exterior mini zip allows for a zipperless feel. Water that penetrates the Z.E.N Collar or Short Zip is blocked by the Barrier-2 and forced out the drain hole.

Single Fluid Seam Weld – A revolutionary seam construction that utilizes an 8mm non-chafing high-grade silicone-based urethane applied in liquid form to the outside of a glued and blindstitched seam completely blocking out water without restricting flexibility.

Krypto Knee Padz – Ergonomic knee protection.

FluidFlex™ Firewall – Measurably warmer and more flexible.

Plasma Wrist and Ankle Seals – Having seals at entry locations helps trap in the warm water and block out the cold water.

External Key Pocket with Loop

Contortionist Seamless Shoulder – Fewer seams for warmth, and improved mobility.