KARL LAGERFELD MUSTARD YELLOW PUFF-SLEEVE SCUBA CREPE A-LINE DRESS , Classic A-line highlighted by trending puffy sleeves. Roundneck Short puff sleeves Back zip closure - A-line silhouette. Fall mustard yellow favorite color in a solid minimalist crepe fabric - unlined and lightweight - flowy yet structured, preppy formal dress for a day to night work to date dress with heels and a cardigan or high boots.