There are Chelsea boots and then there is thee Chelsea boot, The STAN boot to be exact. The outsole is a Goodyear Welted. The Interior of the STAN is fully leather lined and features a stretch elastic gusset for easy pull on and take off with a rear heel pull tab. Welted strip back heel for extra durability and keeps your ankle supported. STAN has a Slim silhouette great for slim and straight leg denim alike. STAN also has a slightly narrow ankle pocket, no need to worry about your ankle sliding around in these. There is a bit of break in when first putting these boots on but in true Horween leather fashion the boot will mold to fit you foot over time. HIGHLIGHTS Japanese Horsehide Leather D Width Heel Pull Tab The Boots Factory Heel (their version of Cats Paw) Goodyear Welt construction Black Elastic inserts Welted Stripe back Cork Crepe sole 20mm Heel Height Round Toe Made in Japan SIZING The Stan Boot runs 1 size big If you like some wiggle room: For more room in the toe box and a D Width - size 1 down, after break-in you may experience some heel slip depending on your foot shape. E Width / Wide Foot: Size a half size down from your sneaker