Waterproof & Breathable Membrane: GORE-TEX for optimal performance Upper: Durable Pig Suede Leather & Breathable Mesh Debris-Free Tongue: Bellows Design Heel & Toe Protection: Abrasion-Resistant Rubber Cap Lining: Recycled Breathable Mesh for Comfort Footbed: Kinetic Fit ADVANCED with Reinforced Heel Cushioning For over a decade and a half, Merrell's Moab has been hikers' top pick, becoming the world's bestselling hiking boot. Renowned for its immediate comfort, durability, and versatility, it has empowered 25 million people to explore further. The Moab 3 Mid GTX offers a GORE-TEX waterproof membrane for dry feet while allowing breathability, an enhanced supportive insole, a plusher cushioned midsole, and a top-tier Vibram outsole.