Our fitted men's trunks are made from a wonderfully soft and stretchy blend of 95% premium 180gsm cotton and 5% elastane, which is hugely supportive right where you need it. They have a closed fly, a comfortable silky smooth embroidered waistband featuring the British Boxers logo, and flat seams for an amazing feel against your skin. Choose your size and receive 3 pairs of stretch trunks in our classic blues – Plum, Navy and Royal Blue. Available in sizes S - XXL. Men's Underwear Size Guide: Waist Size: Small: 29-31 inches / 73-79 cm, Medium: 32-34 inches / 81-86 cm, Large: 35-37 inches / 89-94 cm, X-Large: 38-40 inches / 96-101 cm, XX-Large: 41-43 inches / 104-109 cm, XXX-Large: 44-45 inches / 110-115 cm.