100% Mulberry Silk Naturally hypoallergenic Elastic waistband with adjustable drawstrings Mid rise straight leg pant Side pockets in pant Button front collared shirt The mulberry silk design is buttery soft, with a vibrant sheen and a breathable feel. This 22mm mulberry silk has the longest, strongest fibers of any silk. That means smoothness, durability, and a beautiful sheen. The machine-washable silk is inherently breathable, temperature-regulating, and hypoallergenic.