Regulus Lv 4.5 Red/BlackWomen's Regulus LV 4. 5 Red Black Climbing Shoe Women's low volume rock climbing shoe in size 4. 5 with aggressive downturn for precise edging on steep terrain. Features high friction RS rubber outsole and single Velcro strap for secure fit during overhanging routes. 3. 5mm RS rubber die cut front outsole grips steep rock faces with high friction. VC Pro rubber 3D molded toe patch and heel reinforce high stress areas for durability on powerful moves.