My Sister Knows Too Much Sweatshirt | Funny Sister Gift Jumper UK
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My Sister Knows Too Much Sweatshirt | Funny Sister Gift Jumper UK
Details
My Sister Knows Too Much Sweatshirt
If your sister knows where all the bodies are buried (metaphorically speaking), this sweatshirt is for her.
You know the one. The sister who remembers every embarrassing thing you've ever done, knows all your passwords, and could absolutely ruin you if she wanted to. But she won't. Probably. This sweatshirt is a love letter to that chaotic, beautiful sibling bond where secrets are currency and loyalty runs deep.
The slogan is funny without trying too hard, the design is clean and minimal so it goes with everything, and it's the kind of gift that says "I get you" without being soppy about it.
Product Features
Soft, comfortable unisex fit that feels like a hug
Minimalist slogan design, no loud graphics, just good vibes
Printed to order in the UK to reduce waste
Made from soft cotton-blend fabric that holds up wash after wash
Gift-ready without being too precious about it
Size & Dimensions
Unisex relaxed fit, true to size, available in S to XL. Roomy enough to layer over a tee, cosy enough to wear on its own on a lazy Sunday. Check the size guide on this page if you're between sizes.
Perfect For
Sister birthdays
Christmas gifts
"Just because" moments
Treating yourself, if you're the sister who knows too much — you've earned it
Care Instructions
Machine wash cold (max 30°C) • Non-chlorine bleach as needed • Tumble dry low heat • Do not iron • Do not dry clean
Because the best gifts are the ones that make people laugh and feel seen at the same time.
Materials + Care
We prioritize quality in selecting the materials for our items, choosing premium fabrics and finishings that ensure durability, comfort, and timeless appeal.
Shipping + Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.