Calvin Klein's Polyester Cap with Buckle Fastening pairs durable polyester construction with an adjustable buckle for a secure, comfortable fit. Designed for fall and winter wear, it works well as an everyday cap. Key attributes: Black | Polyester | Durable | Comfortable | Buckle fastening | Adjustable fit | Classic cap silhouette | Dimensions & fit: Adjustable, secure fit (buckle fastening) | Composition & care: 100% polyester | Hand wash recommended.