Ribbed Knit Midi Skirt - Gray BlueFloat, twirl, and take on the day in this ribbed knit midi skirt that moves as beautifully as you do. With its just right stretch and effortlessly chic drape, its polished enough for the office and playful enough for after hours plans. Basically? Your new go to for looking put together without even trying. Alana is 54 and wearing her true size Small. Small: Waist 13. 5, Length 32 57% Acrylic, 28% Polyester, 15% Nylon