Free Overnight Shipping - Suede or smooth leather uppers with accent top-stitching. Lace-up design. The specially designed comfort textile contains silver metal threads woven into the insole lining. The silver metal threads conduct heat away from the pressure points of the foot, distributing it equally to regulate a consistent and comfortable temperature. The natural antimicrobial properties of silver, combined with the moisture-wicking insole and lining, keep the foot cool and dry. Gel-cushioned latex sole provides superior shock absorption and flexibility. Boots.