Omne Trium Perfectum – Down Syndrome Awareness T-Shirt | Trisomy 21 Three Chevron Tee

Made to order by our print-on-demand production partner.

Three chromosomes. Three chevrons. One powerful idea.

Omne Trium Perfectum is a Latin maxim meaning, loosely, “everything that comes in threes is perfect.” For the Down syndrome community, that takes on a whole new meaning.

This bold, tattoo-inspired design puts the three-chevron symbol front and center, surrounded by vintage heraldic details in Down syndrome awareness blue and yellow. Roman numeral XXI accents the crest, while the banner carries the phrase OMNE TRIUM PERFECTUM — a celebration of the beauty, strength, and significance of three.

With its distressed inkwork, ornate botanical details, and old-school tattoo aesthetic, this tee was designed for anyone who wants their advocacy gear to feel a little less conventional and a lot more unforgettable.

Perfect for Down Syndrome Awareness Month, World Down Syndrome Day, awareness walks, family events, or simply showing your connection to the Down syndrome community year-round.

Design details:

• Original Advocate Emporium artwork
• Tattoo-inspired vintage crest design
• Three blue-and-yellow chevrons representing Trisomy 21
• Roman numeral XXI detail
• Down syndrome awareness colors
• Designed to look especially striking on dark shirts

Gear Up. Speak Out. Be Seen.

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Product features

- 100% ring-spun cotton (lightweight 153 g/m²) for a soft, breathable feel

- Tubular knit without side seams for a clean drape and reduced fabric waste

- Durable, elastic ribbed collar with shoulder tape to prevent stretching

- Print methods: Direct-to-Garment for main art; DTF for sleeve and inner neck labels

- OEKO-TEX® STANDARD 100 certified; meets key safety and compliance standards

Care instructions

- Do not dryclean

- Do not bleach

- Tumble dry: low heat

- Iron, steam or dry: low heat

- Machine wash: cold (max 30C or 90F), with similar colors