Altra Escalante 4 - Women'sSimplified and refreshed. We built the Escalante 4 with FootShape fit, greater flexibility, and a lighter weight. Tackle fast training runs, daily walks, or everyday errands in this streamlined and versatile road mile destroyer. Its got an engineered knit upper for a more sock like and forgiving fit, with a knit tongue, just like the original Escalante. We evolved the rubber midsole for a lighter weight and more flexibility so you can feel connected