100% California fleece cotton (Heather Grey contains 10% Polyester) Raglan sleeves Fabric weight 7.2 oz/yd2 Crew neckline This American Apparel crew-necked sweater is made out of California fleece which, opposed to typical synthetic fleece, is made out of 100% extra soft ring-spun combed cotton (Heather Grey contains 10% Polyester). It's pre-washed to minimize shrinkage and is breathable yet extra thick for warmth.