868 designs from one label$3.99 to $19.99Sizes read from shoe size, not sock size
ZmartSock catalog
21st Birthday Gifts Socks

Sayings & Slogans

21st Birthday Gifts Socks

4.6 (76)

Party balloons, wrapped gifts, and hats run down the leg of this milestone pair. The real message hides underneath, stitched in clear block lettering along the soles. When she kicks her feet up on the couch, everyone in the room gets the joke.

$4.99In stock at the retailer

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Price$4.99
Rating4.6 out of 5 from 76 buyers
AvailabilityIn stock at the retailer
Full listing nameZmart 21st Birthday Gifts Socks - Birthday Gifts for 21 Year Old Woman Socks

Reading the listing

What to check before you buy this pair

Message on the sole

Kicking back reveals the full line: SIMPLY THE BEST 21 YEAR OLD, HAPPY BIRTHDAY TO ME. Stitched directly into the knit on the bottom, the words stay legible without peeling off.

Pattern up the leg

Scattered birthday hats, wrapped boxes, and party balloons cover the knit from cuff to ankle. The print sits cleanly above low-top sneakers or slides during birthday morning hangouts.

Cotton rich knit

Made from 80 percent cotton, 15 percent polyamide, and 5 percent elastane. The fabric stays soft against the skin, stretches easily over the heel, and breathes well throughout the day.

Fit and shoe numbers

Sized to fit women sock sizes 8 to 13, which lines up with standard shoe sizes 6 to 12. The elastic cuff keeps the crew height in place without digging into the calf.

Specification as the manufacturer wrote it, wording and all:

  • BIRTHDAY SOCKS: The socks feature birthday gifts, hats, balloons, and other elements on the top, while the bottom is sewn with a hilarious hidden message: "Simply The Best 21 Year Old, Happy Birthday To Me".
  • 21ST BIRTHDAY GIFTS IDEAS: These socks could be the perfect birthday gift for your sister, daughter, granddaughter, niece, girlfriend, female friends.
  • QUALITY MATERIAL: Our novelty socks for teenagers are made of 80% cotton, 15% polyamide, 5% elastane to ensure they are soft, comfortable, stretchy, breathable. They won't fade and are machine washable.
  • SIZE: 21st birthday gifts. One size fits most. Our women's crazy socks are designed to fit shoe sizes 6-12 and sock sizes 8-13.

Sizing

Match the shoe size, not the sock size

Novelty socks from this label are sold by the shoe size they fit, and the range on the listing is wide. If the wearer sits at the top of the range, the cuff will be shorter on them than in the photo.

How the sizes work

1Find the shoe rangeEvery product page repeats the range from the label, usually men US 6 to 13 or women US 5 to 10. If the recipient is outside it, the sock will still go on and it will sit lower than the photo.
2Check the heightCrew hits mid calf. Knee-high and thigh-high pairs list a leg length in inches, and that number matters more than the shoe size for anyone tall.
3Look at the stretch contentSpandex and elastane sit between three and fifteen percent in this range. The higher end takes a wider calf. The cotton-heavy pairs stretch less and hold shape longer.