The Skins Men's A200 Thermal LS Zip Top is made from a scientifically advanced fabric, developed for Skins to keep you warm out in the cold without overheating. The fabric is a blend of Polyamid and Elastane, which combines high pilling and abrasion resistance with excellent breath-ability and a soft feel against your skin. The brushed interior helps to release heat back to your body providing you a thermal advantage in cooler temperatures. The Elastane blend ensures excellent stretch and recovery for optimal compression and unrestricted movement. The unique scientifically proven engineered gradient compression improves circulation, getting more fresh oxygen to your muscles, helping you shape, tone and sculpt your body whatever your sport.