Corgi 100% cashmere burgundy plaid Great Britain cardigan sweater 44 S? M?

Gently used Corgi 100% cashmere burgundy plaid Great Britain grandpa cardigan sweater 44. I believers this may be a mens size small, medium? Good overall condition n— does have a very small split on one sleeve r cuff, as well as a small spot on one sleeve as shown. See photos for full condition and measurements. Thank you!