USED Mad Rock Redline Strap Climbing Shoes - Mens Black/Red 12.5. The clutch heel cup design drives the foot forward into the toe box and a spiral last holds the foot's position in an aggressive stance. Our next-generation power upper features a negative texture for a beasty grip on technical terrain. A lack of midsole allows the foot to flex when you're flexing on the competition. Specifications for Mad Rock Redline Strap Climbing Shoes - Mens: Manufacturer: Mad Rock Gender: Male Age Group: Adults Men's Shoe Width: Regular Boot Style: Climbing Color: Black/Red Activity: Climbing Footwear Closure: Hook & Loop Footwear Upper Fabric/Material: Tek Flex Outsole Material: Rubber Features of Mad Rock Redline Strap Climbing Shoes - Mens Downturned and twisted profile for power and precision Stretchy and breathable tongue 3D expandable molded heel for a versatile fit made with climbing grade rubber Clutch Heel strap to control heel tension Molded Power Upper with negative texture for durability and friction Science Friction 3.0 rubber sole Vegan-Friendly Package Contents: Mad Rock Redline Strap Climbing Shoes - Mens Mad Rock 493-12.5: Redline Strap Climbing Shoes - Mens Black/Red 12.5