Style: SW-891 100% Cotton Full Zipper Cardigan Sweater Ribbed Mock-Neck, Cuffs, and Bottom Hem Machine Washable; Imported Lightweight Knitted Construction Care Tips: Since this is a 100% cotton sweater, it can shrink in hot water and a hot dryer. To minimize shrinkage, wash in cold water and if using dryer, dry with low heat or air dry cycle settings.