Tried on, never run in. Women’s size 10. Weight: 188g Built with CloudTec® and Helion™ HF hyper foam Every element is engineered for performance Rocker-shaped carbon Speedboard® Impact protection and high energy return Ultralight and weighs only 188-215g* Approved by elite-level athletes Silicone inserts and cushioning where you need it Thin, breathable, complete with one-piece upper