X-Socks Mens Speed Two 4.0 Running, Pearl Grey/invent Blue, 40 EU

Stronger: LAMBERTZ-NICHOLSON ACHILLES TENDON PROTECTOR 4.0. The Achilles tendon lies in the opening of the cushion and is thus protected from pressure and friction. Air-conditioning chaneel 4.0. Air-conducting 3D structures and high-tech special yarn promote intensive ventilation of the feet. Asymmetric o-ring bandage.Stabilises tendons, muscles and joints in the ankle area without restricting movement. Instep protector with AirVent zone.3D knitted technology prevents full-surface contact, disposes of warm, damp air, and prevents the formation of blisters. 100% pure Swiss engineered. Made in Italy.