New Look Petite Grey Belted Roll Neck Mini Jumper Dress. Petite. Use the detachable belt to pull in the waist on this grey mini dress to your preference. For a stylish mid-week look, just add chunky boots. Material: soft, rib Fit: relaxed Length: mini Colour: grey Neckline: roll neck Sleeves: long sleeves, drop shoulders Fastening: pulls on, stretchy Design: detachable tie belt Model: 5'2/157cm and wears UK 8/EU 36/US 4.