Theory Derona K Sleeveless Crossover Top Size Small The Derona K top by Theory features a luxe crossover neckline that adds elegance to even the most simple of outfits. This top works with any kind of bottom. Light Blue 91% Cotton and 9% Spandex for stretch Luxe crossover neckline flatters every body. Relaxed fit; ruching on left side. Sleeveless. Tucked-under hem hits at hip. Pullover style New without tags. No flaws. Feel free to ask any questions and please check out ny other listings!