WHISTLER, British Columbia — When the best speed skiers in the world take to the slopes for the men’s downhill, it’s not just their bodies and their minds that are honed to a razor’s edge. Their skis will be as well. The selection, setup, care, and preparation of a set of world-class downhill racing skis is an intricate blend of art and science, practiced by a group of almost exclusively European technicians in what are called the wax cabins here.
