Gore Running Wear Men's Mythos Thermo Tights 88% NYLON, 12% ELASTANE, INSERT: 85% NYLON, 15% ELASTANE Imported Extra warmth: slightly napped inner lining makes sure that legs stay warm and dry even in extremely cold conditions, by transporting moisture to the outer layer. Tight fit Thermo-stretch functional fabric Flat-lock seams Adjustable elastic waistband with flat cord Zip pocket on back Zipper with semi-lock slider and reflective piping on lateral hem