H&M NWT Puff Sleeve Floral Midi Dress Size Small Calf length midi dress in a viscose crepe weave with a sweetheart neckline, long puff sleeves with a button at cuffs, a concealed zip at the back and a seam at the waist. Unlined. New with tags Size small Pit to pit: 18" Length: 49" Waist:14" Approx laying flat & unstretched