The two crossword solutions for the term 'swimsuit material' are spandex (7 letters) and tricot (6 letters). Spandex is a synthetic fiber known for its elasticity, which makes it ideal for swimsuits. It is also used in clothing, upholstery, and medical devices. Tricot is a type of knitted fabric made from wool, cotton, or synthetic fibers. It is lightweight and breathable, making it a popular choice for swimwear.