US SIZE: S=(US 4-6), M=(US 8-10), L=(US 12-14), XL=(US 16-18), 2XL=(US 20-22). We use American standard size. Please rest assured to purchase Features: Button down shirt for women, Woman Button up, Cotton dress shirt, Long sleeves, Solid dressy top, V neck collared tunics, Shirts for work formal business. This Blouses for women fashion can be rolled up for a cool laid back style. This Casual Long Sleeve Button Down Shirts Tops make you look more chic, stylish and sexy Match: The cotton long sleeve button down shirt makes you freedom and comfy. It's perfect with leggings, jeans, tights,skinny pants,heeled boots etc Occasions: Great for all occasions- casual, vacation, party, working, shopping, dating or daily wear. It also perfect to wear as a long sleeve Beach cover up shirt swimsuit blouse Suggestion: Please read our size chart carefully.If you have any question about the casual loose Blouse & Button-Down Shirts, please feel free to contact us button down shirts for women cotton striped dress shirt button up long sleeve blous