100% cotton (except in the Oxford Grey colourway: 90% cotton and 10% viscose);All colourways are made from 'organic in conversion’ cotton;Slim fit;Jersey fabric;Combed cotton;Round 1x1 ribbed toneon-tone neckline with ribbed finish;Tone-on-tone taped neck in main material;Twin-needle overstitched finish on the armholes and the bottom of the garment;No brand label on the collar. only a size tag for easy decoration;