Mackem Slayer - Onesie

🍼 Mackem Slayer Baby Onesie – Start 'Em Off Right

Born into the rivalry.
The Mackem Slayer Onesie is for the tiniest Toon fans with the biggest fight in them. With bold varsity-style text and classic black-and-white pride, this one’s for babies being raised the right way — with Newcastle in their veins and no love lost for Sunderland.

🧵 Details:
• 100% Airlume combed and ringspun cotton
• Envelope shoulders and snap bottom for easy changes
• Soft, comfy, and ready for every goal celebration
• Sizes: NB (0–3M), 6M, 12M, 18M, 24M
• Printed to order — no Mackem energy near your baby

🎯 Perfect For:
• NUFC fans raising the next generation right
• Baby shower gifts that spark footy banter
• Derbies on the telly (and naps at halftime)
• Parents with black-and-white hearts and sharp wit