No fabric content, but it feels like wool or wool blend. Most likely their standard 85% wool mix. Plaid in shades of red, white, blue & gray. Two flap button chest pockets. Very good vintage condition with no holes, stains or odors. Near mint, we say! Pete’s Obsolete is smoke-free. We present garments as honestly as possible & point out any known flaws. We leave cleaning and/or repair decisions to you. We wrap & pack all items securely in boxes & use new USPS Priority Mail boxes unless the item is very large or an unusual size. Please see photos for condition. Measurements: Label size: None present Shoulder-to-shoulder: 15" Chest across: 18.5" Sleeve from shoulder to cuff: 23" Length in back from base of collar: 29" ~ Please see our other listings as vintage clothing is our passion & remember if it’s neat, it’s from Pete’s Obsolete! ~ Woolrich Wool Blend Red White & Blue Plaid Shirt Men’s Chest Across 18.5"