Dressing to impress has never been easier!. Wool is a sustainable fabric that is versatile with natural stretch for added comfort and easy to care for and maintain. This classic performance wool fabric with its refined aesthetic is easy to wear in any climate all year round. The jacket is cut closer to the body with a higher armhole, trimmer chest, and a tapered sleeve. The advantage of the Calvin Klein Slim Fit Suit Separate is the ability to customize your jacket and pant size. Select your sizes and add them to the cart separately. Dry Clean Only. Button closure. Imported. 94% Wool, 6% Lycra Spandex.