Men's protection level 3 Thorlon hiking crew socks by Thorlo. These hiking socks are designed for extended hikes in moderate climates on varied or rugged terrain. It provides the most protection available, beyond what any other hiking sock can provide today.

1) Midweight padding in the heel and ball protect the foot from shear and impact forces and prevent blistering.
2) Lace pad protects the top of the foot against boot lace pressure.
3)Ventilation panel enhances wicking.
Fiber Contents: 87% THOR•LON® Acrylic, 11% Stretch nylon, 2% 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.