not decorated in any way; with nothing added
plain
a pattern of squares formed by lines of different colours crossing each other.
checked
hanging loosely because of being too big
baggy
having a clean, tidy, and stylish appearance.
smart
made of flowers, or decorated with images of flowers.
floral
not formal or not suitable for special occasions.
casual
having stripes
striped
fitting closely to your body and sometimes uncomfortable
tight
covered in small, usually round areas of colour
spotted