FOR BEST FIT, please refer to our size chart in the product images. JACKET is single-breasted with a satin lapel and no tail. 100% polyester. VEST is fully lined. 100% polyester. FLAT FRONT PANTS feature an elastic waistband. 100% polyester. BOW TIE is adjustable for a perfect fit. 100% polyester. Classic fit tuxedo by Spring Notion.