- Classic and timeless, this turtleneck sweater is crafted out of a fine lambswool-cotton blend and is fashioned with a jersey knit. It's cut for a regular fit and features our signature small-scale Archive shield graphic embroidered at the chest. Fabrics: Lambswool 80%, Cotton 10%, Polyamide 10% Wash Instructions: Not machine washable. Hand wash cold. Wash with wool detergent. Wash with similar colors. Wash and iron inside out. Reshape while wet.