Description of O'Neill Mod 5/4mm w/Hood FSW - Women's Featuring O'Neill's new, exclusive urethane coated Membrain Zipper, the patent pending Modular Closure System is now the most user-friendly chest zip system on the market. The attachment pieces engage easier, lay flatter and seal better for a dry, elastic surf. O'Neill has flipped the Fluid seams to the outsole of the suit to create a watertight barrier with extra flexibility and comfort. Features: Body: 70% UltraFlex DS, 30% FluidFlex Chest/Lumbar: Smooth Skin/Firewall X-type Modular Closure: UltraFlex DS Knee: Kevlar with D-foam Neck Facing: Glideskin Side Hood: Smooth Skin Detachable crew neck and hood included Exterior fluid seam weld Plasma wrist and ankle seats #5 Membrain Zipper Krypto knee padz External Key Pocket with loop Strategic seamless paddle zones LSD: Lumbar Seamless Design Sidewinder S-Curve seams