Conquer extended outdoor journeys with confidence. The X-SOCKS® TREK OUTDOOR provides optimal temperature regulation and protection. It features the Air-Conditioning Channel® for moisture removal, Lambertz-Nicholson Achilles Tendon Protector 4.0 for targeted cushioning, and the Suppronation®-Bandage to stabilize your foot. Keep your feet cool, dry, and supported so you can focus on reaching new heights, any season.