Whenever the rocks are calling, answer with the undeniable precision of Butora's Endeavor Climbing Shoes. With a tongue consisting of Poron and mesh, these shoes offer excellent breathability and comfort, while their split-leather footbed and comfortable fit work to keep you on the wall longer. PRODUCT FEATURES: • Fully lined with 100% organic hemp fabric to minimize stretch while resisting odor development • The front of the shoe is constructed of a synthetic micro fiber to help maintain its original shape and the back half of the shoe is made from natural leather for breathability and comfort • The tongue contains Poron® memory foam and open cell sponge to absorb any pressure from the straps • Super sticky 100% butyl Butora F5 rubber sole • The two-piece Tongue is constructed of a highly breathable mesh for comfort and ventilation