The Boreal Krypto rock shoes are specially designed to get you through tough sections of climbing on steep walls with small holds. High-quality split leather upper features reinforced rip-and-stick closures that allow quick on and off and simple adjustment. 4 - 4.6mm-thick Boreal FS-QUATTRO rubber is extremely sticky and highly abrasion resistant rubber provides consistent performance across a range of temperatures. Precise fit around the foot and a pointy toe profile are designed to let you place your foot exactly where you need it on small holds. Cambered last and asymmetric sole shape enable excellent edging while maintaining great sensitivity. The Boreal Krypto rock shoes have padded mesh tongues that breathe well and are comfortable next to skin.