X BIONIC Socks Bike Race Jr 4.0 Socks, Twyce Blue/White/Point/Strip, 32 Unisex Kids & Teens, blue/white/dot/stripe,

Technological innovations can continuously optimize already outstanding quality, so the X-BIONIC 4.0 generation models are now even better adapted to meet the performance requirements of cycling. The optimized shape of the AIR CONDITIONING CHANNEL 4.0 precisely ventilates the sole of the foot. The new size Lambertz-Nicholson Achille Tendon Protector 4.0 protects against pressure and friction. SUPPRONATION bandage supports healthy foot posture, counteracts ankle joint overstrain. Patented in 34 countries. 100% pure Swiss engineered, made in Italy.