Theory Tabia Maxi Dress. Silk maxi dress by Theory with scoop neckline and colour block slit down the centre back. Slit back that reveals a contrasting nude colour panel. Sleeveless with optional belt this striking orange maxi dress will ensure that your summer style radiates exotic glamour. Runs true to size. 94% Silk, 6% Spandex. Lining 100% Polyester. Model wears size US 2.