Brand New with Tags Spanx Dress, Size Medium. 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. Size M - 35” from shoulder to hem Throw on and go comfort Light-as-air, luxuriously soft spacer fabric Optimal air flow and circulation 4-way stretch Functional pockets 47% Modal, 46% Polyester, 7% Elastane.