Body: 100% polyester

In the outsole is an innovative RoadTrack rubber

For days when you want some extra protection

A full Mizuno ENERZY mdisole creates a great balance of cushioning

Drop-in pocket on left side of liner

On Solar Arm Sleeves Size:M-L Body: 100% polyesterWhen the heat is on, its time to focus. With UPF 40+ protection and extended hand coverings, these sleeves deliver. UV Protection: Running in the sunshine is a joy! Enjoy it with the reassurance of On's arm sleeves crated with UPF 40+ protection and features extended hand coverage Distraction Free Comfort: Made with a soft, four way stretch fabric that's breathable and stays in place via silicone on the top inside seam. Thumbholes also ensure they