Pentagon Men's Kissavos 2.0 Thermal Pants Sage 88% Polyester, 12% Elastane Highly breathable and lightweight isothermal underwear pants. Durable thermo active material blend provides excellent thermal insulation Highly stretchable low profile construction adapts to the shape of the body. Soft micro fleece backing for extra comfort Quick Dry technology wicks moisture away from the skin Anti-bacterial properties provide outstanding protection against bad odour Maximum freedom of movement. Ideal combination of warmth, comfort, and flexibility Material: 88% Polyester, 12% Elastane