Rhythm Coastline Sweater. The Rhythm Coastline Sweater offers a cozy, classic look with its soft knit fabrication and allover stripe pattern. Crafted from a comfortable blend of polyester, acrylic, nylon, and wool, this sweater brings warmth and texture to your everyday wardrobe. The timeless striped design makes it easy to pair with jeans, trousers, or skirts for a variety of casual looks. 47% Polyester 39% Acrylic 8% Nylon 6% Wool. Hand wash. Imported.