The newest addition to the Sidi Gore-Tex™, the Aria is a mid-height touring boot which features a highly breathable, waterproof Gore-Tex™ membrane that keeps your feet at a cool, comfortable temperature, even in warmer weather. Equipped with the world famous Gore-Tex™ highly breathable and waterproof membrane to add a waterproof yet highly breathable barrier between the elements and the rider's feet. The Gore-Tex™ membrane breathes more than any other membrane thus the rider's feet will stay cooler in warm weather with a Gore-Tex™ equipped boot. Cordura, soft TPU and Technomicro make up the outer construction. Nylon composite inner sole with removable arch support pad. Fully encapsulated heel cup. Protective internal toe cup. Internally padded shin plate. Double-stitched in all high stress areas. DuPont™ polymer toe shift pad.