How to Tell If Clothing Is Really Vintage (A Tag-Reading Guide)

Okay, real talk: one of the questions I get the most is "how do you know if something is actually vintage?" And I get it — the word "vintage" gets slapped on everything these days, including stuff that was made, like, last Tuesday. So let's fix that. Grab whatever mystery garment is haunting your closet and let's read its tags together like the little detectives we are.

(Quick ground rule: "vintage" generally means at least 20 years old, "true vintage" usually means pre-'90s-ish, and anything older than about 100 years is "antique." Cool? Cool.)

The tag is your best friend

Before you even touch the fabric, flip to the tags — the neck tag, the little side-seam tag, the care tag. They're basically a birth certificate if you know how to read them.

1. The missing care tag trick

In the U.S., garments were required to have a sewn-in care label (you know — "machine wash cold, tumble dry, don't you dare bleach") starting in 1971. So if a piece has no care instructions anywhere, and they weren't cut out, there's a solid chance it was made before the early '70s. One of the fastest gut-checks there is.

2. Union labels

If you spot a little "ILGWU" tag (International Ladies' Garment Workers' Union) or another union label, you've hit vintage gold. These were sewn into U.S.-made clothing for decades, and the logo design changed over the years, so the style of the union tag can help you pin down roughly which decade you're holding. Union labels had basically vanished by the mid-'90s, so their presence alone tells you the piece has some age on it.

3. RN numbers

See "RN" followed by a number? That's a Registered Identification Number the U.S. issues to companies. RN numbers started in 1959, so a low RN number skews older. Plug it into the FTC's free RN lookup and it'll tell you which company made the piece — not an exact year, but a great clue (and weirdly addictive, fair warning).

4. "Made in U.S.A." and the stack of clues

Tons of clothing was made domestically through the '70s and '80s, then offshore manufacturing ramped up hard in the '90s. "Made in USA" isn't proof of age on its own, but combined with the other signs, it stacks the odds in your favor.

The garment itself tells on it

Tags can be cut out (rude), so construction is your backup detective.

• Metal zippers: Metal zippers — especially ones stamped "Talon," "Crown," or "Conmar" — point to mid-century. Nylon and plastic-coil zippers took over from the late '60s onward.
• Single-stitch tees: On t-shirts, a single line of stitching around the sleeve and bottom hem (instead of the double stitch you see today) usually means '80s or earlier. Peek at our vintage tees and you'll see exactly what I mean.
• Seams & finishing: Pinked (zig-zag cut) seam edges, French seams, metal snaps, and bar tacks all lean older. Serged/overlocked edges on everything lean newer.
• Fabric feel: True vintage often uses heavier, denser natural fibers — that "they don't make 'em like this anymore" hand. Thin, papery poly blends usually skew modern.

A few gotchas

Reproductions and "vintage-style" pieces are made to look old on purpose, so don't let a distressed graphic fool you — always cross-check with the tags and construction. And deadstock (never-worn true vintage with the original tags still on) is a real, wonderful thing, so a pristine piece isn't automatically fake. The trick is stacking clues: when two or three line up — no care tag, a metal zipper, a union label — you can feel confident you've got the real deal.

Want the shortcut?

Or… you could let us do the sleuthing for you. Every piece in our True Vintage collection is hand-verified and dated by us, so you get the good stuff without the tag-squinting. And if you caught the denim bug, go deeper with our guides to Levi's Orange Tab bellbottoms and the history of Levi's Red Tab jeans.

Now go forth and read some tags. Your closet will never look the same. 💛