Wore these boots new in Glacier National Park and logged 45 miles in 3 days and then the Muir Woods north of San Francisco for another 25 miles on a weekend trip. Great boots that fit great. Just wanting something with a different look. These hiking boot have a waterproof leather exterior. The advanced traction outsole works hard to tread grip to prevent slipping. The lightweight midsole provides comfort and superior cushioning for impact absorption and high energy return. 100% Leather and Textile, Sole Material: Rubber, Outer Material: Rubber. Lightweight, durable midsole for long lasting comfort, superior cushioning, and high energy return as well as an advanced traction rubber sole for slip-free movement on rough ground. Lace-up closure for an adjustable, secure fit.