Wear the Emma under your favorite sweaters, you get to pop the wing collar without having to fuss with the bulk of sleeves. The collar is made of Hinson Wu's signature Stretch Polished Cotton for their crispness, while the bodice is made of their new favorite "T" jersey knit for that slimming effect. Woven: 61% Cotton, 34% Polyester, 5% Spandex. "T" Jersey Knit: 57% Cotton, 38% Modal, 5% Spandex. Machine or hand wash, hang or lay flat to dry.