The Saucony Kinvara 13 is an excellent choice for a super lightweight daily trainer. It's a minimalist shoe that is built for speed. With an upgraded flawless upper, Saucony brings forth a fantastic shoe for someone who wants a lightweight running shoe or a shoe for speedwork and racing. Spec Category Neutral Road Drop / Stack height 4 mm (28/24) Weight 204g FAQ’s & Reviews How long will the shoe last? Saucony claim their cushioning will last 400 miles. The life of the shoe varies from user to user due to characteristics of running style and terrain. Honestly, you likely will get more than that. I have a previous version of this shoe, has it changed much? The Saucony Kinvara 13 is fitting wider than the 12 and is a tad bit lighter. The foam under foot is also a tiny bit softer. Same great flexible shoe and proprioreceptive under foot feel.