Gray white geometric Fair Isle pattern sweater

Striking gray and white geometric zag patterned sweater. A bit Fair Isle. Solid back. Long sleeved. This has no tags. It feels like a wool blend but not certain. It could be unisex, if the numbers work. Measurements and size charts indicate that this may be a size M in women's but please check measurements for the best fit. Measurements in pictures. Any questions please comment.