From steep sport routes to complex bouldering problems, the Mad Rock Men's Redline Climbing Shoe offers an aggressive downturned toe for effortless pushing and perching on overhanging walls. Its perforated Tek Flex upper offers enhanced breathability and just a little give compared to Mad Rock's original non stretch fabric. The molded compression tongue works in conjunction with the shoe's Arch Flex system, hugging your foot for a glove like fit. You'll appreciate the shoe's molded Heel Clutch, which connects to the lacing system for extra heel hooking power. This heel is constructed of super sticky rubber for unparalleled sensitivity. Additionally, this high performance climbing shoe uses Mad Rock's R2 rand rubber formula for unbelievable comfort and super sticky performance on technical routes and complex bouldering problems.