100% cotton (except in the Oxford Grey colourway: 90% cotton and 10% viscose). All colourways are made from 'organic in conversion’ cotton. Jersey fabric. Cut and sewn. Combed cotton. Straight fit. Round neckline. Trim in matching main material to finish neckline and armhole. Twin-needle overstitched finish on the bottom of the garment. No brand label on the collar, only a size tag for easy decoration.