There are collaborations and then there are collaborations. This is the latter. Grenson was founded in Northamptonshire in 1866. William Green, its founder, was the pioneer of the goodyear welting method now the hallmark of all well-made British shoes. For London Collections: Men 2014 Grenson collaborated with Christopher Raeburn, Mathew Miller, Katie Eary, Craig Green, Agi & Sam and Sibling, six star names in British menswear design. Available exclusively at Mr Porter.