Constructed of full-grain leather and lightweight durable Danner wedge outsoles the unlined Bull Run work boot may look like a simple design at first glance. However the trained eye will notice the intricate stitching the feel of the leather and how all of the parts work together to simply create a product that is built to last. Full-Grain Oiled Leather Upper After incorporating oil into the tanning process Danner take the oiled full-grain leather and put it through a series of rigorous testing to ensure its strength and durability. This form of leather is more resistant to water and other liquid damage and requires less maintenance over time. Unlined Leather Upper Lighter weight with cool comfort in warmer temperatures our unlined leather boots will mold perfectly to your foot. Electrical Hazard EH Protection Electrical hazard EH footwear is manufactured with non-conductive electrical shock resistant soles and heels. Danner Wedge Outsole The non-marking oil-and-slip resistant Danner Wedge outsole provides cushioning lightweight support traction and won't track debris. The soft rubber compound is designed for maximum comfort for long days on smooth indoor surfaces such as concrete and wood. Not recommended for daily use on asphalt. Stitchdown Construction Handcrafted to provide a wider platform Danner's legendary stitchdown construction offers increased stability underfoot. Many of our stitchdown boots can be recrafted. How It Fits Portland made 503 last has a casual fit without compromising Danner's comfortable lace-to-toe construction. Fits true to size.