Seamless upper provides areas of stretch and structure where you need them most. Wraparound Comfort Collar for a plush feel. BioMoGo DNA midsole adapts to every runner for custom cushioning with every step. Rounded heel design encourages a more natural running stride. Blown rubber outsole pods for durable traction on any surface. Omega Flex Grooves allow a natural transition from heelstrike to toe-off. Wt. 7.5 oz.