Mad Rock Shark 2.0 Climbing Shoe - Men's-Black/Orange-12 US. 0 is the perfect killing machine. the Arch Flex provides an aggressive but comfortable fit that gives the shark an unparalleled level of performance. Built around the original Shark last Mad Rok has resurrected this old favorite providing new features to make this model the weapon of choice. Specifications for Mad Rock Shark 2.0 Climbing Shoe - Mens: Manufacturer: Mad Rock Men's Shoe Size: 12 US Gender: Male Age Group: Adults Color: Black/Orange Activity: Climbing Weight: 8.11 oz Footwear Closure: Hook & Loop Footwear Upper Fabric/Material: Syn Flex Lining Material: Syn Flex Outsole Material: Concave DDS Midsole Material: AES Polycarbonate/Polyester Last Chance: Yes Lining: Syn Flex Features of Mad Rock Shark 2.0 Climbing Shoe: Recommended use: Bouldering Sport Gym Competition Package Contents: Mad Rock Shark 2.0 Climbing Shoe - Mens Mad Rock 431120: Shark 2.0 Climbing Shoe - Men's-Black/Orange-12 US