Fabric Type: 96% Bamboo Viscose, 4% Elastane Imported Hand Wash Only THICKER LEGS: Our Bamboo Boxer brief is perfect for thicker legs. 3D COMFORT POUCH: Our men's bamboo Trunks have a hidden piece of elastic around the pouch to surround you and your boys perfectly, keeping everything neatly in place! STOP CHAFE: Located on the inseam of the underwear, the UltraGlyde friction resistant panels come with anti chafe technology, so they prevent leg ride up and stop those awkward moments of re-adjusting in public! BREATHABILITY: Ultra breathable and super soft bamboo fabric keeps you cool, the moisture wicking fabric removes sweat from the body keeping you cool and dry at all times. SUSTAINABLY GROWN: All our production processes are designed to minimize our impact on the environment. Step One uses Tanboocell branded Bamboo that is organically grown without the use of any pesticides and is certified. Production of Step One Bamboo does not contribute to natural habitat loss or destruction. Our Mens Bamboo Trunks are designed for all day wear. Made from ultra soft, silky smooth Bamboo Viscose this underwear is lightweight and breathable. The 3D Comfort pouch keeps 'the boys' supported and contained, it is designed to lift and accentuate. The UltraGlyde panels prevent ride-up and chafe. Make Chafe a thing of the past, stop the front wedgies, get into some Step One Bamboo Boxers today.