Developed for intense outdoor sports trail running, obstacle courses, mountain running, mud runs, endurance races, boot camps, and biking Protects when wet and reduces moisture absorbtion and retention with exclusive Thor-Wick COOL fibers Flow thru ventilation panels in toe and instep with ankle/foot transition gusset to fight wrinkling Light density padding in ball and heel protects weight bearing areas Quarter length with reinforced top to help keep dirt and debris out Form fit with compression-grade ankle and arch support protects plantar fascia, fights fatigue, and prevents bunching and twisting Low profile toe seam won't rub or irritate feet