Tan Lug mid calf chelsea boots J.Crew Meet our newest collection of boots with a rugged, durable lug sole that looks great and works hard. Think of these leather Chelsea boots like an updated take on the classic—with a slightly higher shaft for a fresh and modern feel. Tags: Lug, Lug Sole, Leather, Chelsea, Streetwear, Utility, Indie, Festival Shaft: 8" Heel: 1" Leather upper and lining. Synthetic sole.