A classic turtleneck jumper knitted from our signature extra-fine Merino wool, with a ribbed-knit stitch to enhance its extra-close cut. Fitted. Turtleneck. Responsible Wool Standard Certified: This global standard protects the sheep that supply the wool for this garment as well as the land they graze, working to make it better for the environment and the sheep. NSF Certification C0517446.