A HIGH PERFORMANCE SLIPPER WITH THE SECURITY OF A HOOK AND LOOP CLOSURE FOR ELITE-LEVEL TECHNICAL ROUTES AND BOULDER PROBLEMS. Patented S-Heel(TM) construction provides optimal heel hooking maneuverability and the perfect heel cup fit P3A(R) patented technology coupled with the new innovative split-sole construction allows the sole to spread when weighted, reducing edge deformation Sticky rubber toe patch for toe hooks and scums CONSTRUCTION: Slip Lasted UPPER: Leather / Microfiber / Rubber toe cap LINING: Unlined MIDSOLE: 0.8mm LaspoFlex with P3A(R) SOLE: 4mm VibramA(R) XS Grip2