Product Description Made with Lycra™ for your best fit, these cotton-rich trunks will keep you comfortable all day. Regular fit, with a fly front fastening and an elasticated waistband. Antibacterial Cool & Fresh™ technology keeps you cool, dry and fresh all day. Pack of five includes two striped and three plain pairs. Thanks to StayNew™ technology, these trunks stay looking newer for longer. All of the cotton for our clothing is sustainably sourced and always will be. M&S Collection: easy-to-wear wardrobe staples that combine classic and contemporary styles.