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 CHANNEL® 4.0. Air-conducting 3D structures and high-tech special yarn promote intensive ventilation of the feet.
SUPPRONATION® BANDAGE. Supports a healthy foot posture and counteracts overloading of the ankle joint.
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. 700+ international awards and test wins, 800+ patent registrations for the products with the "X".
DetailsAlready two steps closer to the gold medal with the performance boosting innovative technologies of the X-SOCKS® RUN SPEED REFLECT 4.0 MEN. With their optimally combined ventilating and protective functions, these X-BIONIC 4.0-generation socks are perfectly suited for medium- and long-distance races. Compared to previous models, you can expect even more comfort and performance-enhancing precision. The newly designed Air-Conditioning Channel® 4.0 is embedded in the densely knit material to ventilate the soles of the feet. The Instep Protector with extended Air Cool Stripes provides air conditioning for the back of the foot and simultaneously protects the instep against pressure and friction. The comprehensive cushioning system also includes the high-performance AirFlow Ankle Pads 4.0 at the ankle and the shape-optimized Lambertz-Nicholson Achilles Tendon Protector 4.0 above the heel.
Polyamide (62%) Polyester (18%) Polypropylene (14%) Elastane (5%) Glass Bead (1%)