MEN'S R1 Size:13 These design updates offer an

These design updates offer an improved fit for your foot with our updated

Full length allows for a full body massage

easy-to-fit with an ergonomic design is built for runners

The watch constantly samples your heart rate to help you gauge how hard you work during activities1

MEN'S R1 Size:13 These design updates offer anThe R1 features a CPU outsole with an exceptional light weight of 8. 5 oz (US M9), but may produce noticeable noise on rainy days or on wooden floors. TUNEDFIT Dual Lacing System for separate lace adjustment Dual zone ZeroSag midsole inserts with little degradation during long runs LightCELL midsole base featuring excellent lightness and bounce GOFLOW midsole geometry to guide your stride Double layered jacquard upper with 40% recycled polyester