Where we come from, comfort in critical areas is essential. Duckworth Men's Vapor Underwear is made from natural Americangrown merino wool, spun and knitted into our exclusive Vapor Wool blend fabric to ensure you stay comfortable in critical areas. Our Vapor fabric is naturally antimicrobial (odor-free), itchfree, cool, breathable, quick-drying, moisture-wicking, and extremely comfortable. The V underwear features a functional fly and a brushed elastic waistband that is soft to the and stays in place. Even in the hottest and most humid environments, these underwear are guaranteed to keep you dry and regulate your body temperature. Made in the USA with American wool New for 2026: The Vapor series now features upgraded vortex spinning, designed to improve durability, reduce pilling, and extend the lifespan. This improvement enhances the of the fabric while retaining its ultra-lightweight breathability and soft feel, and the feel continues to improve with wear and washing. Please note: Opened underwear cannot be returned