I'm Not Old I'm Vintage Men's t-shirts are a old guys favorite, after all, it's pretty funny. Great Father's Day Gift. Great Valentines Day Gift. Economy Priced T-Shirts. These are great t-shirts at a great price. They are soft and wearable but slightly different than our other boutique style shirts. I'm Not Old I'm Vintage Men's T-Shirt - Men's Crewneck T-Shirt. 100% cotton preshrunk jersey 5 oz./yd² Athletic Grey is 90/10 cotton/polyester Heather Colors 50/50 cotton/polyester Double needle sleeve and bottom hem Taped neck and shoulders I'm Not Old I'm Vintage Men's T-Shirt - Men's Crewneck T-Shirt.