The label inside clearly states they are made from 60% wool and 40% polyester.
Vintage British Rail navy wool mix uniform trousers W36" L27" NOS (3)
Vintage British Rail navy wool mix uniform trousers W36" L27" NOS (1)
vintage british rail uniform navy & red jacket rare train collectible
vintage british rail uniform navy & Blue jacket rare train collectible
Vintage Obsolete British Rail Navy Blue Cap-Size 55cm, Unused, With Rain Cover
Vintage Obsolete 1970's British Rail Navy Blue 2 Piece Wool Uniform-NOS
