NWT Universal Standard Eco everyday sweater dress M/18-20, potion purple. The Eco Everyday Sweater Dress lives up to its name as the perfect everyday piece. You will wear it 24-7 thanks to its perfectly tailored proportions and so-soft sustainable yarn. If you're looking for versatility (aren't we always?) then this piece is your perfect match. It's lightweight enough to wear from season to season with ease.