 PhD Running Ultra Mini Crew Featuring WOW Technology™, a superior fit and performance, and a little more "cush" this is the ideal sock for all-day comfort. • 4-Degree Fit System for all day performance fit • WOW Technology ™ in High Density Impact Zones to reduce shock and abrasion • Smartwool inside for moisture, temperature and odor control • Duroyarn reinforcement for added comfort and durability • Strategic mesh zones for maximum ventilation Content: 74% Wool, 23% Nylon, 3% Elastic |