Cremieux Black and Grey Zippered Neck Merino Wool Sweater, Suze XL

Can you mend wool? This Cremieux Classics sweater has a small hole in the side front. Shown in last picture. 100% Extra Fine Merino Wool. Black and gray checkerboard pattern with zippered mock turtle neck. Priced low, but in great condition except for the hole. Size XL, but fits slim. Please see measurements: Chest - 20 Length - 23 Arms - 23 Hem - 20 Neck - 6 (zippered)