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13 I'm Officially a Teen — Colorful 13th Birthday Kids T-Shirt

13 I'm Officially a Teen — Colorful 13th Birthday Kids T-Shirt

Regular price $29.99 USD
Regular price $37.99 USD Sale price $29.99 USD
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Color: Sport Grey
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Product Description:

This 13 I’m officially a Teen t‑shirt is designed to mark the huge milestone of becoming a teenager in a fun, modern way. The large number 13 is filled with bold geometric color blocks in pink, blue, yellow, and teal, plus playful confetti‑style shapes that give the shirt an energetic 90s‑inspired vibe. Underneath, the phrase “I’m officially a Teen” appears in clean black lettering, making it crystal clear that the wearer has just entered teen territory.​

Printed on a soft, comfy unisex tee, this top is ideal for birthday parties, school days, photoshoots, or casual hangouts with friends. The bright design stands out in pictures, helping capture those once‑in‑a‑lifetime first‑teen birthday memories. Graphic 13th birthday shirts like this are popular with both boys and girls who want something fun but not childish, and the bold number art hits that balance.​

Offered in versatile colors such as white, athletic heather grey, light blue, and light pink, the multi‑color 13 stays vibrant and readable across all backgrounds. Teens can pair the shirt with jeans, joggers, or leggings for an easy birthday outfit that still feels stylish and on‑trend. After the celebration, it becomes a go‑to casual tee and a keepsake reminder of officially becoming a teenager.​

Product Features:

Product Features

  • 100% midweight US cotton (5.3 oz/yd²) for a soft, comfortable, all-season feel
  • Tubular knit construction with no side seams for a smooth, waste-reducing finish
  • Ribbed knit collar and shoulder tape for long-lasting shape retention
  • DTF/DTG printed design with a tear-away pearlized label for scratch-free comfort
  • REACH and Oeko-Tex certified; ethically sourced US cotton and age-appropriate for children

Care Instructions

  • Machine wash warm (max 40°C / 105°F)
  • Use non-chlorine bleach as needed
  • Tumble dry on medium heat
  • Iron, steam, or dry on low heat
  • Do not dry-clean

Product Safety & EU Compliance:

EU Representative

HONSON VENTURES LIMITED
gpsr@honsonventures.com
3, Gnaftis House, Flat 102
Limassol, Mesa Geitonia, 4003, Cyprus

Product Information

  • Model: Gildan 5000B
  • 2-year warranty in EU & Northern Ireland (Directive 1999/44/EC)
  • Intended for children
  • Blank product sourced from Bangladesh

Care & Safety Notes

  • Machine wash warm (max 40°C / 105°F)
  • Non-chlorine bleach only
  • Tumble dry medium
  • Iron, steam, or dry on low heat
  • Do not dry-clean

Size Guide:

Kids Apparel

Sleeve length is measured from the center of the collar, across the shoulder, to the end of the sleeve. Width is across the chest and length runs from the shoulder to the hem. Sizes may vary by ±1 in due to manufacturing tolerances.

Unitinches Kids T-Shirt 5 sizes
XS S M L XL
Widthacross the chest, flat 16.2 16.9 18.1 18.9 20.1
Lengthshoulder to hem 20.5 22.1 23.6 25.2 26.4
Sleeve lengthcollar to sleeve end 13.4 14.2 15.4 16.1 17.3
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