OLD GRUMPS RULE™ – Super Grump: My Granddaughter Is My Kryptonite Tee

Even the toughest grump has a weakness — and she probably calls him “Grandpa.”

This Old Grumps Rule™ “Super Grump” tee is made for the men who’ve spent decades perfecting their grumble, only to lose all resolve when their granddaughter smiles. It’s bold, funny, and heartwarming — just like the man who wears it.

Crafted from premium cotton for unbeatable comfort, this shirt is perfect for coffee runs, Saturday chores, or spontaneous hugs from the little one who runs your world.

🎁 Perfect For:

• Grandpas who pretend to be tough

• Father’s Day or “just because” gifts

• Any man whose granddaughter has him wrapped around her finger

• Premium Bella+Canvas 3001 unisex tee (soft, true-to-size fit)

• 100% Airlume combed and ringspun cotton (heathers have poly blend)

• Side-seamed and double-stitched for lasting durability

• Designed & printed in the USA