O'Neill Wetsuits Youth Epic 4/3 mm Full Suit neoprene 3/2mm 100% UltraFlex Neoprene with FluidFlex (tm) Firewall Glued and Blindstitched Seam Construction, Strategic Seamless Paddle Zone LSD: Lumbar Seamless Design and Krypto Knee Padz Internal Thermo Chest Panel for increased insulation Double Double Super Seal Neck, Fully Adjustable and Watertight