inov-8 TrailFly Sock Low socks 000998-BKGN-01 Properties: The new Trailfly Ultra socks provide comfort, cushioning and temperature regulation thanks to the Merino wool content. The price includes a pack of 2 pairs. Comfort : Targeted underfoot cushioning for long distances. Improved Fit : New improved fit, designed to hug your feet and stay put while you run. Moisture management : Ventilation areas around the midfoot provide breathability and moisture management. Natural benefits: Merino wool helps with temperature regulation and blood circulation. Composition: 66% Recycled Polyamide, 16% Merino Wool, 16% Tencel, 2% Lycra.