Unisex New Balance Fuelcell MD-X Width:D This lightweight merino wool sock

This lightweight merino wool sock is absolutely perfect for daily working

topped off with ultra breathable COOLwick mesh and like all our products

Tiny “tracers” line the laces

and Metatarsalgia

Unisex New Balance Fuelcell MD-X Width:D This lightweight merino wool sockBrighten up every run with the lightweight FuelCell MD X. Engineered for athletes competing in middle distance track races, the MD X features an ultra lightweight engineered knit upper for ultimate weight savings. It's stacked with performance driven technology such as FuelCell midsole foam and a carbon fiber plate to keep driving you forward no matter how far you go.