Soft, breezy and built to last. Pair of Thieves Rayon Made from Bamboo underwear combines breezy ventilation, luxuriously soft fabric, and a refined fit for an unmatched sensory experience. Its premium fit and feel are matched only by its buil-to-last durability. This unique fabrication is engineered to resist fading and fabric pilling, a durable material that keeps its color and smooth finish wash after wash.