La Sportiva Katana Lace Climbing Shoe Rubber UNIVERSAL PERFORMANCE - Ideal for every type of climbing, the Katana Lace overperforms from the gym to the boulders and craggs ADVANCED EDGING - Vibram XS Edge compound allows you to focus your weight on the tiniest of foot holds; PD75 last means a pointed & downturned shape for proper weight distribution and support while edging PRECISION & SENSITIVITY - The medium-asymmetrical toebox allows for great precision & sensitivity; It's aggressive enough for steeper pitches where edging is key, comfortable enough for gym wear, and super-sticky for smearing QUALITY BUILD - Leather / Lorica upper and Pacific lined forefoot keep the fit tight yet comfortable; The 1.1mm Laspo flex midsole combined with P3 patented technology provides solid support even after years of hard use TIPS FOR BUYING - Reference the La Sportiva size chart in the product images; The Katana has a medium interior volume, designed for feet with a medium instep circumference, medium joint circumference, and small-volume heels; For a snug fit, buy 0.5-1 US sizes smaller than your regular shoe size