Sweater is acrylic but on the softer side. Slightly unravelling on side hem, could be easily fixed I assume, please see last two photos. In otherwise great preowned condition! Women’s Size: Large Acrylic 25.5" (pit to pit) 27" (shoulder to hem) **these are flat lay approximate measurements Sew in Love, Women's, Size Large, L Sweater, Long Sleeve, Stitched, Colorful Rainbow, Pullover, Mock Neck, Grandpa