361 KAIROS 4 WOMEN'S Shoe size:4.5 A nylon-blend Speedboard® encourages momentum

A nylon-blend Speedboard® encourages momentum and powerful take-offs

we’ve reimagined the orientation of our multi-directional lugs to ensure the best all-terrain ride yet

The breathable materials have strategic perforations to help prevent overheating and keep feet fresh throughout long runs and tough periods

the Apex 2 lets you change things up with ease thanks to built-in activity profiles for running

and track your sleep for optimal recovery

361 KAIROS 4 WOMEN'S Shoe size:4.5 A nylon-blend Speedboard® encourages momentumThe new 361 KAIROS 4 features a re engineered midsole geometry that supports your foot from heel to toe. With added platform height and width, this enhanced geometry provides medial and lateral stability, creating a sensation of cushioned guidance from first contact to toe off. The result is moderate support that helps align your gait for a smoother, more efficient run.