Rhythm Button Up Cardigan. The Rhythm Button Up Cardigan is a charming blend of cozy comfort and playful design. Crafted from a soft nylon-wool-acrylic blend, this knit sweater features delicate butterfly graphics across the front, adding a whimsical touch to its classic silhouette. A button-up front allows for easy wear and versatile styling, while the tie detail at the neckline brings a feminine finish. Designed with ribbed edges at the neckline, cuffs, and hem, it offers both structure and a snug fit. 50% Nylon 35% Wool 15% Acrylic. Hand wash. Imported.