Baby Clothes

The Birthday Boy Onesie/T-Shirt

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The birthday boy onesie or tee is an effortless birthday outfit that works just as well with jeans or shorts as it does on its own.

  • "The Birthday Boy" slogan print in bold retro font
  • Soft 100% polyester, pre-shrunk
  • Available as a onesie (with snaps for easy nappy changes) or short-sleeve T-shirt
  • Onesie sizes up to 12 months
  • T-shirt sizes up to 5 years

An easy and comfortable birthday outfit for boys that's made to wear throughout the big day.

Shipping & Returns

Free shipping on Australian orders over $99.

Flat rate $9.95 on orders under $99.

Dispatched within 1-3 business days via Australia Post, Aramex or Couriers Please.

Change of mind? We offer returns and exchanges within 60 days of purchase.

See our Returns Policy for terms and conditions.