Top quality full grain leather Steel-Toed Motorcycle Biker Engineer boot. Great classic look of 13 inch engineer biker boot (13 inches from heel to top, full 11 inch leather shaft). Good Year Welt Construction boots (needed for long term durability, resole-able, better comfort when wore in). Steel Toed. This is the most technologically advanced mens biker boot built for durability, comfort, long-term wearability and protection.