While the Momentum climbing shoe was built with ultimate comfort in mind; it excels in performance.With an engineered knit tongue and a micro suede upper, the Momentum provides stretch where you need it, support where it matters and all-around exceptional breathability for long gym sessions or all-day multi-pitch endeavors. The neutral last provides comfort and performance on a wide range of climbing styles, making this a great one-shoe-quiver as you hone in on your preferred style of climbing.