Celebrate inclusion from the very beginning with our World Down Syndrome Day 321 Toddler Shirt — designed to honor March 21 (3/21) and the three copies of the 21st chromosome known as Trisomy 21.
Perfect for little advocates, this toddler awareness shirt is soft, comfortable, and made for active days at school, community events, or family celebrations. It’s a meaningful way for toddlers to join in showing love and support for the Down syndrome community.
Why “321”?
The number 321 represents:
• 3 copies
• Of the 21st chromosome
• Celebrated every March 21 worldwide
Product Features:
• Soft, breathable cotton blend
• Gentle on sensitive skin
• Comfortable toddler fit
• Durable, high-quality print
• Easy to pair with jeans, shorts, or leggings
Perfect For:
✔ World Down Syndrome Day school celebrations
✔ Down syndrome awareness events
✔ Matching family outfits
✔ Inclusive classroom activities
✔ Meaningful toddler gift
Because awareness starts small — and makes a big impact 💛
Perfect for little advocates, this toddler awareness shirt is soft, comfortable, and made for active days at school, community events, or family celebrations. It’s a meaningful way for toddlers to join in showing love and support for the Down syndrome community.
Why “321”?
The number 321 represents:
• 3 copies
• Of the 21st chromosome
• Celebrated every March 21 worldwide
Product Features:
• Soft, breathable cotton blend
• Gentle on sensitive skin
• Comfortable toddler fit
• Durable, high-quality print
• Easy to pair with jeans, shorts, or leggings
Perfect For:
✔ World Down Syndrome Day school celebrations
✔ Down syndrome awareness events
✔ Matching family outfits
✔ Inclusive classroom activities
✔ Meaningful toddler gift
Because awareness starts small — and makes a big impact 💛
Size guide
| BODY LENGTH (inches) | CHEST WIDTH (inches) | SLEEVE LENGTH (inches) | |
| 2 | 15 ½ | 13 | 4 ¾ |
| 3 | 16 ½ | 14 | 5 |
| 4 | 17 ½ | 15 | 5 ¼ |
| 5/6 | 18 ½ | 16 | 5 ½ |