"Our first-ever performance shoe is engineered to support your body from the ground up, wherever your moving meditation takes you. Designed for stability and support on street, trail, track, or sand, the Alo Runner features a stabilizing heel clip, extra-firm cushioning at the heel, and a dual-density midsole designed for comfort and responsiveness. The breathable double-layer mesh upper optimizes air flow, and it’s made with 70% recycled materials for a lighter footprint on the Earth." Black/black Size: M12 / W13.5 NWT https://www.aloyoga.com/products/a0590u-alo-runner-black-black?srsltid=AfmBOopbqtJ5uZ9jFNJ5lgfVRO-y1zIesjD03UlP3v8JiCK0CYxStzp0