- Frye Black Leather Engineer Boots model number 12R 77400 - Size 7.5; outer sole length is 10.25" - Mid-calf shaft style, round toe shape, and block heel - Silver buckle - Originally purchased in 2010 - vintage Frye 😍 - Good used condition - The only bad thing about Fryes is the painful breaking in period. Skip all that! - Recently reheeled - Great for that stomping-around feeling - Durable and long-lasting ride-or-die boots - GUC - see photos for details Reasonable offers are welcome! :)