This lightweight sweater is cut from super fine Merino wool and finished with our signature wide-rib stitch. Oversized. Responsible Wool Standard Certified (Control Union Certifications CU 862581): 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. Certified by NSF Certification, LLC C0517446 Crew neck.