Roxy Syncro 4/3mm GBS Back Zip - Youth Girls - Dark Grey/Lemon F'N Lite neoprene: 16% lighter this neoprene is packed with air cells for the lightest of lightweight warmth Dry Flight far infrared heat technology thermal lining retains body heat by conducting it back into the lining Glideskin Neck Seal: Ultra smooth neoprene liner for superior comfort along with a watertight seal Ecto-Flex Knee pads: Durable, lightweight and flexible outer knee pads that protect you and your board 92% Nylon/Polyamide, 8% Elastane