Filling: Filling I: 90 % duck down

40% recycled polyester

Castelli Climbers 4

Trailrunning socks for increased stability on uneven terrain

Double welt pockets

uyn biotrek socks men Magliette|Magliette casual da donna Filling: Filling I: 90 %Wearing 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