Referring size:XS=US(0-2),S=US(4-6),M=US(8-10),L=US(12-14),XL=US(16-18), various sleeve lengths available short, long, or sleeveless Material:95% cotton+5% polyester, lightweight, high stretchy cotton, soft and comfortable and NOT SEE THROUGH Occasion: Casual/Outdoors/Home/Party/Dating/Work/Club/Beach/Evening Machine washable, hand wash recommended, tumble dry naturally.