Women's Timp 5 BOA Trail Running Shoes Black UK Shoe Size:8 Wearing on the arm offers

Wearing on the arm offers our optical sensor an optimal amount of blood flow to gather heart rate data with accuracy equivalent to that of a traditional chest strap

Race-day feel

This breakthrough reduced gastrointestinal complications

Multiple Pockets - Stash and store your essentials easily

Women's Timp 5 BOA Trail Running Shoes Black UK Shoe Size:8 Wearing on the arm offersThe Timp 5 gets a BOA lacing system for on the go adjustments. With a cushioned midsole and grippy Vibram outsole, the Timp 5 BOA is ready to get wild. Dial the perfect fit and adjust it as much as you need to throughout your run with the BOA PerformFit Wrap lacing system. A Vibram Megagrip outsole delivers the grip while a cushioned midsole is designed for a little extra bounce and a plush feel. With zero drop and a roomy toe box, you get plenty of