World Down Syndrom Day is March 21st. The date for WDSD was selected to signify the uniqueness of the triplication (trisomy) of the 21st chromosome which causes Down syndrome.

This *Exclusive* design is available in all sizes and styles - short sleeve, long sleeve, sweatshirt and hoodies.
 
Down Syndrome | Awareness | Trisomy21 | Trisomy | 321