Maximize your comfort and reduce the risk of blisters with the X-SOCKS® TREK OUTDOOR LOW CUT SOCKS. Thanks to the unique barefoot climate® and patented features, the models of the X-BIONIC 4.0 generation prove that top technology can be further perfected through constant innovation. For optimal climate management, the Traverse AirFlow Channels work seamlessly with the optimized Air-Conditioning Channel® 4.0, providing effective ventilation with every step. At the same time, the AirVent Zone creates space at the instep, allowing air to circulate freely. The Lambertz-Nicholson Achilles tendon protector 4.0 has been thoroughly redesigned to optimally protect the Achilles tendon. The Suppronation® XX-Cross® bandage works in conjunction with the toe protector to prevent injuries.