Always stay one step ahead and benefit from the performance boost of innovative technologies with the X-SOCKS® RUN SPEED TWO.
With their optimally combined ventilation and protection functions, these X-BIONIC 4.0 generation socks are perfect for medium and long-distance runs. Compared to the previous models, you can expect even more comfort and performance-enhancing precision.
The newly designed Air-Conditioning Channel® 4.0 is embedded in the tightly knitted material to ventilate the soles of the feet.
The instep protector with extended Air-Cool strips provides climate control for the back of the foot while protecting the instep from pressure and friction.
The comprehensive cushioning system also includes the high-performance AirFlow Ankle Pads 4.0 on the ankle and the shape-optimized Lambertz-Nicholson Achilles tendon protector 4.0 above the heel.
| Field of application | Running |
| Age group | adults |
| Color | Opal Black / Arctic White |
| Gender | Men's rooms |
| Size | 39-41 |
| Item no. | RTRSHIS23M-B00239-41 |
| material | 75% Polyamide 18% Polypropylene 6% Elastane 1% Glass Beads |
| Product type | socks |
