One Grey Day Carter Merino Mock Neck in Black. - size M (also in S, XL, XS) One Grey Day Carter Merino Mock Neck in Black. - size M (also in S, XL, XS) 100% merino wool. Made in China. Hand wash. Mockneck styling. Ribbed jersey fabric. ONEG-WK245. 52OGD866. Designer Bradley Davidowitz brings us these simple and fun easy to wear pieces. Shop the latest in fashion from One Grey Day