Stock up on accessory essentials with this pack of pure cotton baseball caps. An adjustable strap at the back provides a secure fit. Made with Sun Smart UPF50+ technology to help protect skin from harmful UV rays. Our peppermint oil-based antibacterial finish on the sweatband keeps you feeling fresh. All of the cotton for our clothing is sustainably sourced and always will be.n M&S Collection: easy-to-wear wardrobe staples that combine classic and contemporary styles.