These luxury trunks feature an ultra-soft, breathable, lightweight Tencel Modal that is sustainably sourced, guaranteed to stay smooth and keep you comfortably supported at all times. Our MyPakage Pouch Technology lifts & separates your boys, eliminating the need to shift or adjust. TECHNICAL DETAILS Slim fit with no fly 3.5 inch inseam (the shorter of our two lengths) MyPakage Pouch Technology Seamless Pucker Panel Soft 1 3/8-inch luxury knitted waistband 95% Tencel Modal / 5% Spandex 190 GSM fabric weight RADICALLY BETTER UNDERWEAR We started BN3TH in Vancouver, BC, to radically change how men think about underwear. No one performs at their best when they're adjusting. Or shifting. Or sweaty. Increased Comfort = Increased Performance We were the first to create underwear with a three-dimensional pouch, and our patented MyPakage Pouch Technology remains the key to our uniquely supportive fit. We engineer underwear and base layers that keep you comfortable for full days on the mountain, water, gym, or office. Over time, we evolved as a company to begin championing a full range of apparel for any and every consumer, endeavor, occasion, climate, and style. We work hard to minimize our business's environmental impact and contribute to causes that help preserve our planet.