Vintage 80s Levi Strauss & Co blue knit v-neck sweater M

Medium denim blue open weave knit sweater from 1980s vintage Levi’s Levi Strauss & Co. Size label indicates medium and measures approximately 17in shoulders, 19in underarm, 25in overall length. Feels like cotton, but no fabric label. Very good condition. From a smoke-free, pet-free environment