Women's Challenger 8 Koshi Tan-Tan Running Shoes Black / Gold UK Shoe Size:5.5 our eyes do not contain

our eyes do not contain melanin

semi-transparent mesh upper helps to reduce overheating

The two-density foam construction—with PEBA as the top layer—offers durability for regular speed work while still delivering energy return

Sweat-Wicking - Advanced moisture management pulls sweat away instantly

- Includes whistle

Women's Challenger 8 Koshi Tan-Tan Running Shoes Black / Gold UK Shoe Size:5.5 our eyes do not containBuilt at the intersection of road and trail, the Challenger 8 delivers all the smooth cushioning and confidence inspiring traction youll need to tackle a variety of terrain. A gravel grinding workhorse loved for its hyper cushy ride, weve added even more foam underfoot and improved the fit since our last iteration. Finished with a minimal mesh upper, plush collar, and durable rubber toe cap, weve reimagined the orientation of our multi directional