10/25/24 site update - Thanks for your patience!
- because all t-shirts fit differently, we are actively updating navigation for a better experience! Scheduled for completion 10/31/24.
T21 tees - a Down Syndrome awareness brand
Trisomy 21 is the medical term for Down Syndrome. Our mission is to bring awareness to and advocate for Down Syndrome with unique designs centered around the shortened version, "T21". We hope you find something you like, and thanks for your support!
Choose your Style - Adult Sizes
Choose your Style - Youth Sizes
Featured Products
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T21 "A T21 Thing" - Unisex Relaxed-fit Pocket T-shirt - multiple colors
Regular price From $31.00Regular priceUnit price / per -
T21 "A T21 Thing" - Unisex Soft-fit T-shirt - multiple colors
Regular price From $28.00Regular priceUnit price / per -
T21 "Coconut Island" - Unisex Relaxed-fit Pocket T-shirt - multiple colors
Regular price From $31.00Regular priceUnit price / per -
T21 "Coconut Island" - Unisex Soft-fit Tee - multiple colors
Regular price From $28.00Regular priceUnit price / per -
T21 "Green Scales" - Men's Activewear Moisture-wicking, UV40+ Long-sleeve tee
Regular price From $33.00Regular priceUnit price / per -
T21 "Key 21" - Unisex Soft-fit LS Hooded Tee - multiple colors
Regular price From $33.00Regular priceUnit price / per -
T21 "Kiawah" - Unisex Relaxed-fit Pocket T-shirt - multiple colors
Regular price From $31.00Regular priceUnit price / per -
T21 "Lucky" - Unisex Relaxed-fit Pocket T-shirt - multiple colors
Regular price From $31.00Regular priceUnit price / per -
T21 "Macaw" - Unisex Relaxed-fit Pocket T-shirt - multiple colors
Regular price From $31.00Regular priceUnit price / per -
T21 "Pineapple Ice" - Unisex Relaxed-fit Pocket T-shirt - multiple colors
Regular price From $31.00Regular priceUnit price / per -
T21 "Rainforest" - Unisex Relaxed-fit Pocket T-shirt - multiple colors
Regular price From $31.00Regular priceUnit price / per -
T21 "Reef" - Unisex Relaxed-fit Pocket T-shirt - multiple colors
Regular price From $31.00Regular priceUnit price / per
Featured Partners
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F.R.I.E.N.D.S
friendssupport.orgF.R.I.E.N.D.S. is committed to enriching the lives of individuals with Down syndrome and other special needs by fostering inclusion, awareness, equality, and support.
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GiGi's Playhouse - San Diego
gigisplayhouse.org/sandiego/GiGi’s Playhouse San Diego opened its doors on April 7, 2018, a day honored by the city of San Diego as “GiGi's Playhouse Day.” Since then, we've proudly served over 600 San Diego families and have 100+ participants engaging in our programs each month.
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National Association for Down Syndrome
NADS.orgNADS is the oldest organization in the country serving individuals with Down syndrome and their families. Their pioneering efforts have made it easier for later generations of individuals with Down syndrome to be accepted by their families and communities, to develop their capabilities, and to work towards independence.