Gore Running Wear Men's Magnitude Compression Tights 78% Nylon, 22% Elastane, Insert: 85% Nylon, 15% Elastane Imported Perfectly in shape. Compression tights for performance runners with muscle support and vibration reduction. Mesh-inserts add for ventilation. Two back pockets for nutrition packs. Tight fit Highly functional material mix 2 side pockets on back Small inside key pocket on waistband Adjustable elastic waistband with flat cord Elastic hem