Stay covered Head-to-Toe in O'Neill's premium lineup of equipment designed to shield you from the harshest conditions. Our world-class athletes search the planet for perfect surf, the R&D team at Area 52 developed product to allow you to perform in the most extreme elements and excel in the coldest climates. Split-Toe with Connector for Improved Balance Anatomical Fit Fully Liquid Sealed Lower Heel Pull Tab Strap-Free Design with 3D Locking Upper Interior Upper / Forefoot: TechnoButter 4X Interior Sole: TechnoButter 4 Firewall Exterior Sole / Forefoot: Fluid Foam Exterior Upper: UltraFlex DS Interior: Recycled TBX Fully Taped Seams Exterior: Glued and Blindstitched Seams