NWT Solika Heidi Velvet Curved Waist Side Pocket Shift Dress Womens Size Small Brand new with original tags. The Solika Heidi dress is a cozy, velvet classic. This beautiful dress features an ultra-slimming waistline that delivers comfort and style to any look. In a rich navy blue, this is a womens size small. Other features include: Three-quarter length, fitted sleeve. Side pockets. Crew neck. Slimming, curved waist. Shift dress. Velvet fabric.