De Lacy Kelsi Dress in Black. - size XS (also in ) De Lacy Kelsi Dress in Black. - size XS (also in ) 95% modal 5% spandex. Fully lined. Surplice front. Ruched side seam. DELC-WD110. HD16012. True to its home and true to what women want, De Lacy is the LA-based line that effortlessly transforms wardrobe staples into luxurious favorites. With collections that include everything from the wear everywhere tank to maxi skirts made for a day in Venice, this line is California cool, but still chic enough to be worn to that big event.