La Cera Short Sleeve Cotton Knit A-line Dress in Butterfly Beauty This comfortable dress is made from a 100% cotton knit for a soft, comfortable feel; Features of this A-line dress include a rounded neckline, short sleeves, and two inseam pockets; This La Cera dress is mid-length at approximately 42'' long and is available in S, M, L and XL; Dress comes in Butterfly Beauty, a black dress with multicolored butterflies all over.