Relax and take on the challenges of long runs with X-SOCKS® MARATHON.
Trust the proven X-BIONIC® quality and the optimized functions of the X-BIONIC® 4.0 generation. The optimized Air-Conditioning Channel® 4.0 with its precise air channel system offers even more efficient ventilation. 
CentralFlow AirCool Stripes and the Traverse AirFlow ChannelSystem further enhance the ventilation effect. The Lambertz-Nicholson Achilles Tendon Protector 4.0 with its two-part padding forms a perfect protective space for the friction-sensitive zone above the heel and, together with the AirFlow Ankle Pads 4.0 and the Heel Protector, prevents injuries caused by pressure and friction. 
The stabilizing Suppronation® Bandage further strengthens your endurance on marathon courses by supporting your foot in the rolling movement.
      Material    
    
     57% polyamide, 20% polypropylene, 16% polyester, 6% elastane, 1% glass fiber
 
| Color: | Black | 
| Gender: | women, men | 
| Weight: | 40g | 
| Activity: | Run | 
| Material: | 57% polyamide, 20% polypropylene, 16% polyester, 6% elastane, 1% glass fiber | 
| Item code: | XSO406811 | 
| Collection: | Spring/Summer | 
| Model year: | 2023 | 
| Compression: | yes | 
| Washability: | 40°C | 
| Manufacturer: | X-Socks | 
| Product name: | X-Socks Marathon Running Socks - opal black | 
| Socks length: | short | 
| Socks version: | padded | 
| Textile fabric: | Synthetics | 
| Manufacturer page: | http://www.x-socks.de |