100% Acrylic. The product is a LOFT one size dusty rose pink sweater, specifically a long open front cardigan sweater vest. Made of acrylic material, this sleeveless cardigan from Ann Taylor LOFT is designed for women in a regular size. The light pink color and cardigan style make it a versatile and stylish addition to any wardrobe. Perfect for layering over outfits or wearing on its own, this sweater is a cozy and fashionable choice for various occasions.