Bonds X Temp Trunk Bonds has added something x-tra to the X-Temp mens undies range featuring smart temperature technology that responds to heat to evaporate sweat fast. Try the mens X-Temp Trunk for x-treme comfort and the ultimate everyday fit. 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). Manufactured In: China .