Ultra-Light Weight: Our lightest sock for race day or anyone looking for a lighter-than-air feel from a tougher than hell sock

38% Merino Wool

With a 1-piece stretchable breathable knit upper and seamless integrated tongue

4-Way Stretch Material: Moves with your body for a tailored fit

and response due to enhanced sensitivity

Ciele Men's FSTTShirt 2 Size:S Ultra-Light Weight: Our lightest sockThe FSTTShirt 2 keeps the tried and tested silhouette of our FSTTShirt but elevates the performance with our new COOLmatic PLUS DIAMAmesh knit. lightweight and fully recycled, this fabric has a diamond texture which aids to increase wicking; finished with cooling and odour control to keep you fresh. reflective details keep you lit from dusk to dawn. engineered airSTACK venting at sides keeps things nice and breezy. flatlock stitching and critical