Thorlos unisex trail runner mini crew socks constructed with thorlon blended with thor wick cool fibers for superior softness, resilience, durability and extra moisture-wicking for drier, cooler, better feeling feet.Unique padding specifically engineered for trail running, clinically shown to reduce blisters, pain, pressures and moisture.Cushioned instep and arch constructed for a better fit, more support and less pressure on the feet for a more comfortable run.