Quince 100% Mulberry Silk Washable Pajama Lounge Shorts Size XL Navy Blue with white trim Pre-loved Machine wash Tag is not perfectly attached, see picture These washable silk pajama shorts are made of 100% Mulberry and perfectly crafted for your lounging and sleeping needs with a deliciously indulging feel. The silk has a naturally thermoregulating technology to help maintain your comfortable body temperature and you can mix them with your regular wash.