Protection level 3 wool/Thorlon trekker hiking crew socks for men and women by Thorlo. These hiking socks are designed for trekking on varied or rugged terrain. It provides the most protection available, beyond what any other trekking sock can provide today.

1) Ventilation panel enhances wicking.
2) Heavyweight padding in the heel and ball protect the foot from shear and impact forces helping to prevent painful blistering.
3) Lace pad protects the top of the foot against boot lace pressure.
4) Spandex and low density padding in the arch create a snug fit.
5) Full padding around the toe area for ultimate protection.
Fiber Contents: 44% THOR•LON® Acrylic, 39% Wool, 8% Stretch nylon, 6% Insulating hollow-core polyester, 3% Spandex.

Size 11 fits men's shoe size 5.5 - 8.5, women's shoe size 6.5 - 10
Size 13 fits men's shoe size 9 - 12.5, women's shoe size 10.5 - 13
Size 15 fits men's shoe size 13 - 15

Six Pairs Per Package.