Combining a curved, asymmetrical last with a slightly softer construction and thinner sole for enhanced flexibility and sensitivity, the Instinct VS is the cornerstone of Scarpa's Performance line—an all-around shoe that handles a variety of styles at the highest level. Bi-Tension™ active rand provides maximum toe power Strategically placed Vibram® XS Edge in the forefoot and XS Grip 2 in the heel Floating power strap enhances fit and provides power Rubber toe patch provides maximum toe hooking power Perfect for bouldering, sport climbing, and technical face climbing Weight: 230 g; 8.1 oz (1/2 pair size 40) Waterproof/Breathable: PFAS Compliant Upper: Microfiber Midsole: Flexan 1.0 Outsole: Forefoot: Vibram® XS Edge (3.5mm); Heel: Vibram® XS Grip2 (2mm) Last: FV – Moderately Downturned, Moderately Asymmetric Profile: Moderately Downturned Symmetry: Moderately Asymmetric Primary Material: Synthetic Sole Rubber: Vibram® XS Edge, Vibram® XS Grip2 Country of Origin : Italy