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Christmas Vacation-I Don't Know Margo Premium Long Sleeve Tee

$41.00
$42.00
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Designed, Printed & Delivered in USA

Proud American quality

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I Don’t Know, Margo! – Classic Long Sleeve

Because some quotes never need explaining — just timing.
This design celebrates the most quotable meltdown of Christmas movie history, wrapped in that soft, vintage Comfort Colors feel.
A perfect mix of sarcasm, nostalgia, and cozy — ideal for movie nights, ugly sweater parties, or anyone who’s ever not known Margo.

Wear it for laughs, comfort, or just because you can.


Designed and Delivered in the USA.

Details & Quality:
Fabric: 6.1 oz. ring-spun USA cotton — preshrunk, garment-dyed, and soft-washed for that lived-in comfort.
Fit: Relaxed, unisex fit that drapes naturally without clinging.
Finish: Double-needle stitched neck, armholes, and hem for lasting durability.
Comfort: Ribbed collar and cuffs for shape retention.
Ethics: Made with sustainably grown and sewn-in-USA cotton.


Fit & Feel:
Soft, sturdy, and already broken in.
For a more relaxed look: size up one.
For a truer fit: stick with your usual size.

Size Chart


Exchange & Return Policy:
Exchanges allowed only for size adjustments.
No color swaps after printing.
Defective or misprinted items will be promptly replaced.
Conditions apply — see full policy here.

Size Guide & Fit

Size Chart (Unisex Sizing)

All measurements are in inches. For the most accurate fit, measure your favorite shirt and compare.

Size Width (in) Length (in)
XS 16-17 27
S 18-19 28
M 20-21 29
L 22-23 30
XL 24-25 31
2XL 25-26 32
3XL 26-27 33

Fit & Tips

  • Fits True to Size – Our apparel fits true to standard US sizing
  • Between sizes? We recommend sizing up for a relaxed fit
  • All measurements are approximate and may vary slightly
  • Need help? Use our 10-day size exchange to find your perfect fit

How to Measure

  • Chest: Measure around the fullest part of your chest, keeping the tape level under your arms
  • Length: Measure from the highest point of shoulder to the hem
  • Sleeve: Measure from center back neck to the end of the sleeve
$41.00