The Sierra is a medium-stiff, intermediate climbing shoe with a lace-up closure for a precise fit and enhanced stability. This shoe features a stiffer ABS midsole platform and a power-inducing last shape. Its full-sole construction offers improved stability while edging on tiny holds. Heel-to-toe tensioning ensures all-around comfort and boosts power and precision in the forefoot for superior edging performance. It offers a unisex, medium-high volume fit.