The Federica Tosi One-Shoulder Swimsuit in black combines elegance with a modern twist, featuring a unique single-shoulder design with a knot detail. Key attributes: Black | Polyamide | Single shoulder with knot | Open back neckline | Dimensions & fit: Regular fit bottoms | Composition & care: 86% Polyamide | 14% Elastane | Hand wash cold, do not tumble dry.