This lightweight crew neck tee is so comfortable & so easy to wear, an essential for every wardrobe. 100% Organic Ringspun Combed Cotton Size XS/S - UK 8/10 Size S/M - UK 12/14 Machine washable Our model is 5'9 in (175cm) & normally wears a UK size 10. She is wearing a XS / S Oui Organic T-Shirt Grey