Bonds have added something x-tra to bonds' x-temp mens undies range featuring smart temperature technology that responds to heat to evaporate sweat fast. Try bonds' mens x-temp trunk for x-treme comfort and the ultimate everyday fit. Features x-temp mens trunks with dual action cooling to keep you fresh supportive lined pouch engineered to reduce bounce super flat seams and soft elastic binds eliminate ride-up stretchy wide waistband with bonds branding material main cotton elastane waist elastic nylon polyestyerne elastane excluding trims.