Quince washable silk is highly rated and ultra soft. This pajama tee feels super luxurious and is thermoregulating. EUC- Only selling bc it is too small on me 😢 Material: 100% mulberry silk Silk fiber contains 18 kinds of amino acids necessary for skin nourishment, hypo-allergenic, and naturally thermoregulating to help maintain body temperature Dyed without hazardous chemicals in a dyeing mill that meets bluesign® standards. Bluesign® helps factories operate more efficiently by reducing overall water, energy, and chemical use while putting safety measures in place to help protect workers from exposure to chemicals