FOR TRAD CLIMBING - THE BLACK DIAMOND ASPECT ROCK CLIMBING SHOE. Designed for full days of trad climbing the Black Diamond Aspect Rock Climbing Shoe adds the comfort that you need. It features a durable leather upper that molds to your feet as you wear them and a heel and toe that grip wll on edging and more. Enhance your performance with this trad shoe. FEATURESNeutral, flat last for all day cragging comfort4.3mm NeoFriction Edge rubber is purpose-built for edging and molded for optimal consistency and performanceEngineered Knit Technology tongue provides exceptional breathability, comfort and extra padding for crack climbingInternal Lace Protection System for crack climbingMedium-flex midsole adds support without sacrificing sensitivityLateral stabilizer rands increase precision by keeping your foot from rolling over when pressure is applied to the outside or inside edgesHighest grade European leather upper