A more supple version of Scarpa&';s award-winning Instinct VS, the Instinct VSR features VibramA(R) Grip2 rubber and a more snug fit across the top of the forefoot, with the same form-fitting, sock-style fit and a lightly asymmetrical last that excels across the spectrum of hard climbing. Perfectly suited to lighter climbers. Tech Specs SIZE OPTIONS : 35 - 44 (half sizes) WEIGHT REFERENCE : 230g; 8.1oz (1/2 pair size 40) UPPER : Microsuede & Leather MIDSOLE : Flexan 1.0mm LAST : FV - Curved Profile / Asymmetric PROFILE : Moderately Downturned SYMMETRY : Asymmetric CLOSURE : Strap PRIMARY MATERIAL : Synthetic SOLE RUBBER : VibramA(R) XS Grip2