The Butter Luxe Strapless Midi Dress is constructed from a luxe Austrian modal. Like our fan fave Butter fabric, but more densely knit, slightly more form fitting without feeling too tight, will never bag or sag and has serious opacity. Feels like loungewear, looks like anything but. Product Details Luxury Austrian modal blend (90% micromodal, 10% elastane) Lining (79% micromodal, 21% elastane) Fit-tested on real women Ultra soft Four-way stretch and high recovery Pilling resistant Back slit Breathable Machine washable  Item SL176