Combining a curved, asymmetrical last with a soft construction and thin sole for enhanced flexibility and sensitivity, the Instinct VS Women's is the cornerstone of our Performance line—an all-around shoe that handles a variety of styles at the highest level. The Instinct VS Women's features a modified heel cup to better suit lower volume feet and also utilizes softer and sticker XS Grip 2 rubber. Bi-Tension™ active rand provides maximum toe power Vibram® XS Grip 2 for a softer, more supple fit and feel 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 BI-TENSION SYSTEM Bi-Tension system is a tensioned rubber wrap reaching down two sides of the shoe. It gives priority to sensitivity and subtle support. Specially adapted to our slightly asymmetrical models, Bi-Tension runs under the front of the toes and draws down along the sides of the foot, leaving the center pad for sensitivity. RUBBER TOE PATCH Rubber toe patch provides maximum toe hooking power. TECH SPECS SIZE OPTIONS : 34 - 44 (half sizes) WEIGHT REFERENCE : 200g; 7.1oz (1/2 pair size 40) UPPER : Microsuede & Leather MIDSOLE : Flexan 1.0mm OUTSOLE : Vibram® XS Grip 2 (3.5mm) LAST : FJW - Moderately Downturned, Moderately Asymmetric PROFILE : Moderately Downturned SYMMETRY : Asymmetric CLOSURE : Strap PRIMARY MATERIAL : Synthetic SOLE RUBBER : Vibram® XS Grip2 COUNTRY OF ORIGIN : Italy PRODUCT CODE : 70013002 WARNING: This product can expose you to chemicals including hexavalent chromium, formaldehyde, and perfluorinated compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov