Flywire cables and plush foam offer a secure, steady ride. No matter the run, the Run Swift 3 helps you get out the door with a modified design that's supportive, durable and comfortable all around. Foam cushioning delivers a soft underfoot feel, while a higher foam height than the previous iteration gives you a plush sensation with every step. Mesh on Upper - Mesh on upper adds breathability. Flywire Cables - Flywire cables provide a supportive feel when you tighten the laces. Foam Midsole - Plush foam midsole cushions each step. Natural Moves - Grooves on the rubber outsole help your foot move naturally. Product Details - Weight - Approx. 306g/10.8oz (Men's US 10). Heel-to-toe drop - 10mm.