J. Crew Navy Cotton/Cashmere Blend Crewneck Sweater Size M PTP 19.5" Length 24" 95% Cotton 5% Cashmere True to its name, our classic crewneck has a just-right fit that's not too slim or relaxed. Plus, the silhouette has a slightly longer length, so it's easy to tuck in or layer. Timeless in every sense, it's no wonder this sweater is our number one best seller.