Colour: dark grey Outer material: 51% fabric (57% recycled nylon - 43% recycled polyester) - 49% cowhide leather Lining: 65% Fabric (65% Recycled Wool - 35% Recycled Polyester) 21% Recycled Polyester 14% Pigskin Outsole: 45% vulcanised rubber, 38% EVA, 17% natural rubber Better Leather,Better Linings,Better Outsoles,Lifetime Guarantee