From Oboz, the Women's Sawtooth X Pro Low Waterproof Hiking Sneakers feature: Waterproof nubuck leather and mesh upper: Contains leather from a tannery rated by the Leather Working Group (LWG) Lace up closure Breathable mesh vamp and windows increase ventilation on warm days O FIT Insole® creates a supportive, comfortable foundation for long hikes TPU rand and heel cap add structural durability and abrasion resistance KINERTIA™+ midsole supplies energetic cushioning and stable support Vibram® Megagrip rubber outsole with Traction Lug enhances grip on rough terrain Approx. 12.8 oz. weight (half pair) Approx. 8 mm heel drop Imported.