Birthday Socks

The socks feature birthday gifts, hats, balloons, and other elements on the top, while the bottom features a hilarious secret message written in non-slip ink “I’M NOT 40, I’M 39 1”. They make for a funny 40th birthday gift.

Size & Package

Our unisex design fits most men's US size 6-13 feet and most women's US size 7 and up. Each pair of happy birthday socks comes in a plastic zippered bag.

Quality Material

Our funny saying socks are made of 80% cotton, 15% polyamide and 5% elastane to ensure they are soft, comfortable, stretchy, and breathable. They won't fade and are machine washable.

40Th Birthday Gift Ideas

These gifts are perfect for 40 year old women and men. They make great presents for your mom, dad, wife, husband, grandma or grandpa.

Pattern Themes

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