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 5 pairs of stretch trunks in our 'steel' blues - Two Navy, Two Royal Blue and One Kentucky Blue. Materials: 95% Cotton, 5% Elastane. 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