Informal attire is a type of clothing that is casual and comfortable. It is often worn in informal settings such as at home or for leisure activities. The crossword solutions for the term 'informal attire' are JEANS (5 letters), tshirt (6 letters), and bluejeans (9 letters). JEANS are trousers made from denim or other cotton fabrics, usually with a button fly and five pockets. A tshirt is a lightweight, short-sleeved shirt with no collar. Bluejeans are a type of JEANS that are dyed blue.