State of Cotton NYC was founded as a solution for those who have skin sensitivity to wool and cashmere. It is the intersection of luxury and simplicity in 100 percent cotton, offering classic silhouettes expertly knit from the highest-quality Italian-spun cotton. The Castine medium weight crewneck sweater is a bestseller all year round. It's made from 100 percent cotton, so it's soft but has some structure. You can wear this classic crewneck with everything in your closet for both day and night. 100% cotton. Machine wash. Import. Online only.