Our best-selling streamlined Modal Bikini Boxer is the perfect underwear for layering under your favorite pants or yoga shorts. Made in Portugal. Undoubtedly the softest & most comfortable underwear, coming to you with slick contours, & virtually zero fabric bunching thanks to a luxury fabric density that holds & stretches wherever called upon. Tencel Modal is a fiber made from the wood pulp of trees that are grown and replaced on specialized tree farms. Unlike most cellulosic fabrics, Modal is produced using recyclable, Earth-friendly solvents. When blended with other fabrics, Tencel Modal adds wrinkle-resistance and the lustrous feel of a silk -- Careful, you might not want to remove these!