Lined with fleece to reflect your body heat back onto yourself. As outerwear or as a thermal underlayer of insulation, the innovative, Super Stretch PP Thermal rash top is perfect for any activity, wet or dry, wherever you need protection without restriction. Great for a huge range of watersports including surfing, swimming, kayaking, canoeing, windsurfing, etc. The unique combination of Polyester & Spandex of Adrenalin 2P Thermal Shield, provides great insulation wet or dry. And with its 170% + 4way Superstretch it not only feels extremely comfortable it allows you to perform with it acting just like second skin. Features: -Superb Thermal Insulation-50+ UV Protection-Durable and Light Weight-Turtle Neck and extra body length-4 way Stretch + 170% = comfort and flexibility-Flatlock stitching to ensure no rashing-Stretches to fit any body shape.