Sole: PolyurethaneClosure: Lace-UpShoe Width: MediumHidden Heel Technology is used (0.9 Sole Height, 2.1 Inner Invisible Height)".Bxxy Height Increasing Leather Shoes for Men.Export Quality Soft Faux Leather inner lining and socks is used which adds to maximum comfort .We make UK Sizes (From 39 to 44) , Please Check Size Chart before ordering.Instant Height Increase 3 Inches (0.9 Sole Height, 2.1 Inner Invisible Height), Walk with Confidence