Engineered sandwich mesh upper offers lightweight breathability

Soft and flexible engineered mesh

hidden side pockets

Seamless continuous-tube construction

Packs designated as Women’s are best suited for shorter

uyn biotrek socks women Size:39/40 Engineered sandwich mesh upper offersWearing 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