On Running Cloud X 4 Running Shoe – Men's color-white Short sleeve cut works as

Short sleeve cut works as a standalone warm-weather shirt or packs down small as a layering piece

Virtually seamless toe construction eliminates the ridge that causes hot spots on long days afield

The full-zip front and stand collar let you dial coverage fast without breaking stride

Vibram Megagrip outsole delivers reliable traction on wet and dry surfaces — one of the best gripping soles in trail running

Available in black — works with just about everything in your warm-weather rotation

On Running Cloud X 4 Running Shoe – Men's color-white Short sleeve cut works asBuilt for runners who want one shoe that handles daily training without babying their feet, the Cloud X 4 is our pick for road miles and gym cross training alike. On's CloudTec Phase cushioning delivers a responsive, cushioned stride that doesn't go dead on longer efforts, while the engineered mesh upper moves air efficiently a real advantage in Southern heat. CloudTec Phase midsole provides cushioned, responsive feel that holds up through daily