This is the sought-after COS Volume-Sleeve Midi Dress in a beautiful light blue. Known for its architectural silhouette and thoughtful "mixed-media" construction, this dress combines a crisp, technical front with a soft, breathable jersey back. The adjustable drawstring waist allows you to wear it cinched for definition or loose for a dramatic, voluminous smock effect. ​Product Details ​Brand: COS ​Style: Volume-Sleeve Midi Dress ​Size: Small (US S) ​Color: Light Blue / Periwinkle ​Material: * Front & Sleeves: 100% Technical Nylon (Polyamide) for structure and sheen. ​Back Panel: 90% Cotton, 10% Spandex for comfort and stretch. ​Condition: Great pre-owned condition. No signs of wear, stains, or flaws. ​Key Features: * Signature voluminous puff sleeves with elasticized cuffs. ​Adjustable drawstring waist with side toggles. ​Gathered, elasticized crew neckline. ​Hidden side-seam pockets. ​Modern, midi-length hem. ​Measurements (Laid Flat) ​Pit to Pit: 20" ​Sleeve Length: Approx. 22" (Top of shoulder to cuff) ​Total Length: 46" ​Style Tags: Minimalist, Scandi, Contemporary, Utilitarian, Avant-Garde, Summer, Mixed Media, Voluminous.