Boots by Grenson, Leather upper, Lace-up fastening, Round toe, Brogue and wing-cap detail, Textured tread, Treat with a leather protector, 100% Real Leather Upper. ABOUT GRENSON Grenson is one of England's legendary Northamptonshire shoe manufacturers and has a rich company history dating back to 1886. Manufactured very much the same way they were over 100 years ago, Grenson shoes are all Goodyear welted and are expertly made by skilled craftsmen using the finest shoemaking materials.