Calling All ACOTAR Fans: Get Your Bat Boys Shirt and Flaunt Your Love for the Amazing World of Sarah J. Maas! This sweater is designed with a loose fit, or you can size up for an even cozier fit! -True to size unisex sizing: refer to size chart in photos for measurements -Loose fit -50% Cotton 50% Polyester -Medium heavy fabric -Ribbed knit collar, which retails its shape even after washing -Machine wash warm, do not iron