SKIMS Cotton Rib Tank Dress in Bone Size XS Excellent Condition. Only worn once. About: This high scoop neck mini dress is made with our ultra-comfortable ribbed Cotton fabric and flatters your curves for everyday lounging and beyond. Features side panels in a contrasting color for a sporty look and cotton binding along the neckline and underarms. Fits true to size. Our Cotton Rib features comfortable ribbed cotton with a dry hand feel. With just the right amount of stretch and breathability, they’re the perfect lightweight layers.