NEW NEVER WORN. When it comes to lightweight speed, nothing crushes the competition like the Kinvara. And this just so happens to be our lightest one yet. With more speed contouring and its signature flexible feel, it pushes you forward without holding anything back. These are the Saucony Kinvara 13 Running Shoes you’ll do big things in. The Kinvara 13 was literally designed for speed. Its beveled midsole and new midfoot contouring deliver a smoother, faster ride.