AN ALL-AROUND, AGGRESSIVE HOOK AND LOOP CLOSURE SHOE FOR CLIMBING PERFORMANCE ON ALL TERRAIN. P3A(R) patented technology for a down-turned performance fit for slicing and dicing where needed Patented S-Heel(TM) construction provides optimal heel hooking maneuverability and the perfect heel cup fit Laser-cut uppers reduce stitching and bulk CONSTRUCTION: Slip Lasted UPPER: Leather / Microfiber LINING: Pacific (in front) MIDSOLE: 1.1mm LaspoFlex with P3A(R) SOLE: 4mm VibramA(R) XS Edge