VTG Wool Bib Thermal Shirt Mens Medium Oatmeal Long Sleeve Crewneck USA 60s

Brand: Unknown (no visible brand or size tag present). Type: Thermal base layer long sleeve crewneck shirt designed for layering. Color: Light gray heather with subtle marled texture and contrast stitching. Gender: Mens (estimated); Size: Medium (estimated based on overall proportions, no tag). Material: Soft knit fabric that feels like a cotton or cotton-blend (exact fiber content unknown). Details: Crew neckline, long sleeves with wide ribbed cuffs, straight hem, flatlock-style seams, and distinctive bib-style reinforced panel on both front and back for added warmth and durability. Special notes: Please review photos for close-up of knit texture and construction details.