Update your closet today with Sir. The Label. Shop all the latest designer dresses in our selection. The brand’s commitment to expert craftsmanship endures, with each piece using materials such as synthetic. The label merges functional, comfortable qualities with its signature design aesthetic to create pieces that will work for a range of occasions. Combining a minimalist design with expert craftsmanship, it’s easy to see why this collection is so popular. Synthetic items are a great investment, and it pays to care for them properly. In order to keep synthetic in its original condition for longer, we recommend always checking the individual care label before attempting to launder. Discover the latest selection of Sir. The Label dresses at Lyst. Shop new-season and sale today.