Worn 2 times on sidewalk, no actual running or exercise done in these. Honestly bought them because I like the colors. What's New About the Vaporfly 3? An updated thin outsole rubber uses less material without sacrificing durability, which helps reduce outsole weight and thickness. This allows for extra millimeters of ZoomX foam underfoot and a smoother transition through your stride. More Benefits Light padding on the tongue helps reduce lace pressure at the top of your foot. A new Waffle outsole pattern with perforations saves weight and delivers multi-surface traction in various weather conditions. Offset heel seam helps reduce friction in the heel area. Product Details Weight: Approx. 200 g Heel-to-toe drop: 8 mm Wider toe area for a roomier fit Internal foam pod at heel for extra cushioning Shown: Volt/Scream Green/Barely Volt/Black Style: DV4129-700 Fits small; recommend ordering a half size up