Brooks Brothers Regular Fit Cotton Shirt with Ainsley Collar pairs Supima cotton poplin softness with a smart regular silhouette. Designed for easy transition from office to off-duty, it highlights a refined Ainsley collar for a polished look. Key attributes: Blue | Hydrangea | Cotton Poplin | Ainsley collar | American grown Supima finish | Dimensions & fit: Regular fit | Composition & care: 100% Cotton | Machine wash cold; tumble dry low; warm iron if needed.