Finished with metal speed hooks and a rubber toe cap, there's no telling where this hiker will take you | Features. Leather Working Group Gold-Rated waterproof nubuck leather. GORE-TEX bootie construction with 71% recycled polyester face fabric. Lightweight sugarcane EVA midsole. Abrasion resistant rubber toe cap. Vibram Megagrip outsole. Metal top hook. 100% Recycled polyester vamp and quarter mesh. Achilles heel comfort build. 50% Soybean-based sockliner. SwallowTail heel. 100% Recycled polyester collar and tongue lining mesh. 88% Recycled polyester external collar and tongue mesh. 100% Recycled polyester laces (excluding aglet).