One-A-Saurus Birthday T-Shirt

Get ready to roar into the big ONE! 🎉
Our “One-a-saurus” birthday t-shirt is the cutest way to celebrate your little dino’s first trip around the sun. Featuring a fun dinosaur graphic on the front and a personalized #1 + name on the back, this tee makes the perfect outfit for the big day — from cake smashes to family photos.

Pair it with our matching “Mom-a-saurus” and “Dad-a-saurus” shirts for a full family set that’s picture-perfect and party ready!

Striking the perfect balance between comfort for younglings and toddler-specific durability, this infant fine jersey tee delivers on all fronts. Featuring side seams to better support the garment’s shape, these tees also come with ribbed knitting for improved durability and taped shoulders for a breezy fit. Solid colors are 100% soft ring-spun cotton, but heather colors include polyester.

.: 100% combed, ring-spun cotton (fiber content varies for different colors)
.: Light fabric (4.5 oz/yd² (153 g/m²))
.: Classic fit
.: Runs true to size