Kurt Thune Cold Winner underwearColdwinner is great at regulating body temperature in both cold and warm weather. One can use Coldwinner underwear directly against the skin.These twin layers of material are more comfortable and reduce the effect of the pulse from the sling in prone/kneeling and from the elbow on the stomach in standing.Material: 48,15% Polyester, 48,15% ThermoLight and 3,7%LycraContact us at 70822-33324, if the product is in pre-order status.