Backed by a long history of producing high-performance socks, the Swiss company X-Bionic may be ideally qualified to address such a question. And as the 26-year-old brand makes its US debut, that’s ...

X-Bionic is thrilled to debut a first of its kind “skin to trail” sock and shoe system, a concept that provides optimal cushioning while redefining control, particularly on the downhill.

The trail ahead is rocky, steep, and covered with patches of snow and ice. I plunge forward, dropping from the ridge as sunrise crests over the Great Plains below. My feet hop from rock to dirt ...