Bring it on in the Rival, made out of our finest Merino Wool. This all natural wool body provides thermo regulation, quick-drying, and superior moisture wicking. Wool has natural anti-microbial properties benefiting your fresh feet. We've placed breathable mesh into strategic areas to improve ventilation and elevate comfort. The cushioning design has air channels to keep you cool and comfortable while giving you protection from wear and tear on the most extreme adventures. Reinforced arch construction built to give you correct support and eliminate foot fatigue and fully wrapped terry loop toe box keep your tootsies toasty.