Moisture Control: Nautica Rayon from Bamboo with a hint of Stretch Boxer Briefs are breathable and transmits moisture away from the body, allowing you to remain comfortable all day Insulation: Protecting you against the heat in the summer and cold in the winter, Nautica Men's Underwear provides just the right amount of thermal insulation. Super Soft: Nautica boxer briefs that are made of bamboo rayon, which is soft, breathable, moisture-wicking, and keeps you feeling fresh all day long. Durability: Strong fabrication makes Nautica's Boxer Briefs a great long lasting base layer. Iconic Nautica Logo Waistband-3 Pack. Color: gray