Biotrek Socks M ZFRS076 heel and ankle—critical areas for

heel and ankle—critical areas for a reactive flex and reliable ski performance

heat-insulating and quickly transports moisture to the outside

The collar is decorated with a branded inscription

bio-based materials such as NATEX

Millet marking

Biotrek Socks M ZFRS076 heel and ankle—critical areas forWearing the right gear can make all the difference in your outdoor experience, and with UYN BIOTREK socks your feet will experience a feeling you've never experienced before. Made with a combination of the most advanced protection and wicking technologies, along with innovative, bio based materials such as NATEX, which provides extreme lightness and speed of drying. Combined with the advanced hydrophilic properties of ECOLYPT, your feet will always