VERY VINTAGE Men's Blue and White Arctic Full Zip Sweater

Questions? Leave a comment below! Classic grandpa sweater. Alpine / Nordic snowflake design. Full zip; two front pockets; cuffs. White yarn is off-white (some discoloration) due to age presumably. I see two small “spots” on one sleeve; otherwise very good condition. No size or care tags. To me, it looks like a medium. See images for some measurements. I believe it is wool; would recommend dry cleaning. I had it dry cleaned some time ago/it has been stored away since then. This was my father’s. Time to let it go. 🙂