Impressive 2-pack of Bjorn Borg Bamboo Boxer Briefs in blue and navy Fabricated in a super soft bamboo viscose cotton blend One pair featuring a stunning fern leaf pattern Medium Leg Length with panel at the crotch maintains a long lasting shape and perfect fit Bjorn Borg branded microfibre stretch waistband Fabric composition: 69% Viscose (Bamboo) / 26% Cotton / 5% Elastane Manufacturer Colour: Multi, Blue, Navy MPN: 10004173-mp005 Bamboo is a wonderful fabric for underwear, and has many natural medicinal properties, including antioxidant, anti-inflammatory, and antibacterial effects. Bamboo is also super soft to the feel, strong, and simply a delight to wear. Bjorn Borg boxer briefs size guide: Small = 30-32 inch waist, Medium = 33-35 inch waist, Large = 36-38, X-Large = 39-40, XX-Large = 41-42