100% organic cotton (except Oxford Grey colourway): 70% organic cotton and 30% recycled polyester). Straight fit. Combed cotton and pique knit. Enzyme-washed. 1 x 1 rib neckline and cuffs. Placket with two matching buttons. Matching taped neck finish in the main material inside the collar. Backed shoulders. Side slits. Twin-needle overstitched finish on hem. No brand label, only a tear-off size tag for easy decoration.