NWT AirEssentials Crew Neck Dress | Spanx Introducing a seasonal dress in your favorite light-as-air fabric. The AirEssentials Collection is made with spacer fabric that's lightweight, soft and ultra drapey, designed to feel silky against your skin. Runs true to size 47% Modal, 46% Polyester, 7% Elastane Size Large Measurements Bust: 24" Length: 36"