Side pocket with a zipper is large enough to hold your phone

Greater flexibility and comfort

Reflective detail for night runs

Minimal collar provides a close

Keeps out grit and grime while adding additional security and comfort with enhanced elastic grip construction in quarter sock rib top

Men's On Cloudultra US Size:8.5 Side pocket with a zipperDurable and breathable perforated sandwich mesh uppers allow cooling airflow to keep your feet cool and dry Adaptable sock fit construction creates a precise fit with superior comfort Cloudventure inspired Speedboard supports the natural rolling motion of your feet, from landing to push off and onto the next stride Missiongrip outsoles feature solid high grip rubber fused over Helion superfoam, providing traction, durability and cushioning Helion