Get ready to turn heads and spark smiles with the "Oh Yeah! You're Kool!" T-shirt!
Featuring a lively cartoon jug inspired by that iconic Kool-Aid mascot and a cheerful splash of retro vibes, this tee is all about celebrating fun, nostalgia, and the sheer joy of being kool.
Whether you grew up shouting "Oh Yeah!" or you just love bold, playful designs, this shirt is pure feel-good energy bottled into a wearable piece of art.
The cartoon jug beaming with happiness and the upbeat message "Oh Yeah! You're Kool!" instantly taps into childhood memories, retro energy, and fun-loving vibes. It’s bold, bright, and impossible to ignore — just like you.
This isn't just fashion — it’s a vibe. It's a magnet for good energy. People won’t just notice your shirt; they'll feel the playful, positive energy you're putting out.
Know someone who’s still the life of the party? Or someone who needs a little more sunshine and nostalgia in their life? This shirt is the perfect gift to celebrate those who never lost their inner child.
100% Cotton – Super soft, breathable, and perfect for everyday adventures
Fabric Weight – 175gsm (white) / 185gsm (colors) for lasting comfort
Fit – Classic relaxed unisex cut for a flattering, easygoing fit
Care Instructions – Machine wash cold, inside out, to keep your design fresh and vibrant after every wear
S, M, L, XL, XXL
Because Koolness comes in every size.
Summer Parties: Bring the ultimate blast of nostalgia and good vibes 🍹
Weekend Hangouts: Stand out with a playful, colorful edge 🌈
Gift Moments: Perfect for birthdays, just-because surprises, or nostalgic throwbacks 🎉
Self-Love Purchases: Because you're kool, and you deserve to show it 💖
The "Oh Yeah! You're Kool!" T-shirt isn’t just a throwback — it’s a bold, cheerful reminder that life should be fun, colorful, and full of energy.
You don’t need a reason to celebrate.
You don’t need permission to shine.
You just need this shirt, a smile, and a little bit of that retro attitude.
So go ahead.
Throw it on.
Say it louder.
"OH YEAH! YOU’RE KOOL!"
Because you are.
Processing Time: 1–3 business days
UK Delivery: 2–5 business days
International Delivery: 7–14 business days (customs delays possible)
Tracked Shipping: You'll get a tracking number via email once your order ships.
Returns/Refunds:
Item damaged or wrong? Contact us within 7 days — we’ll replace it or refund you fast.
Package lost? Full refunds or replacements after 14 days (UK) or 30 days (international).
Changed your mind? Returns accepted within 14 days (non-personalized, unworn items).
💜 About KEOLIX
KEOLIX is not for the passive, the plain, or the “meh.”
We’re the brand your neutral tote bag warned you about.
Everything here is handmade, in-house, and intentionally bold. From rude birthday cards to weirdly loveable stickers and statement prints, KEOLIX designs are built to spark joy, start drama, or add just enough chaos to your day.
Want to make your order giftable? Pair it with one of our handmade cards — we’ve got sweet, sassy, and straight-up savage.
Not sure what to get? Check out our bestsellers — the people know what’s good.
Need layout inspiration or want to see what people are doing with their KEOLIX hauls? We’re always building aesthetic combos and real-life styling ideas here. Go get lost in it.
KEOLIX isn’t just a shop. It’s a vibe. And you’re in it now.
Need help? Reach out to hello@keolix.com — we’re always happy to help!
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We are a small business individually packing & dispatching parcels Monday - Friday most weeks although some weeks we may experience slower than usual dispatch times. You will be notified as soon as your parcel has been dispatched.
We use Royal Mail Tracked 48 services for all our parcel deliveries (Parcelforce 48 for larger parcels) and rely on their services which may also experience disruption on occasion. Please bear with us as we all do our best to meet your needs and get your orders to you in good time.
THANK YOU
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