Timberland Men's Thorton Mid GTX Hiking Boot Leather Durably waterproof and breathable Gore-Tex membrane keeps feet dry and comfortable for protectin in any weather Fully gusseted tongue provides comfort and keeps debris out Rustproof, speed lace hardware with lace hooks at top for secure lacing Removable anit-fatigue footbed provides all-day comfort and support Timberland's own durable Green Rubber (42% recycled rubber) lug outsole for durability and traction on any surface