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Free Shipping With Royal Mail
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100% Return Guarantee Within 30 Days
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10% Off Extra for 2+ Items (sitewide)
Close your eyes. You're on a whitewashed terrace somewhere in the Mediterranean. The sea is impossibly blue. Someone is playing guitar. And you? You're wearing this.
Our Mamma Mia Striped Jumpsuit was made for those days when everything feels like a movie - the kind where you twirl without thinking and the light catches you just right. The classic stripe is timeless for a reason. The square neck is effortless. The loose, flowing silhouette moves with you, not against you - because the best days don't wait for you to feel comfortable.
One piece. Zero effort. All the magic.
Why You'll Live In It:
- Striped pattern that never goes out of style
- Square neckline that frames beautifully without trying
- Sleeveless and breezy — made for warm air and golden hours
- Loose fit that drapes like a dream
- Full length for that effortless, elongated silhouette
Fabric & Fit: Soft, comfortable blend · Loose fit · Full length
Style It Like:
Flat leather sandals + a straw bag for your market morning. Wedge sandals + gold hoops for the terrace dinner that turns into dancing. Either way, you're the one everyone's looking at.
Your season: Spring through early Autumn
Your moment: Every single one — beach days, lazy brunches, weekend escapes, the trip you've been planning for years
Because some outfits don't just dress you. They transport you. 🌊
Product Measurements (Measurements by inches) & Size Conversion
| Size | Waist | Bust | Top Length | Hip |
|---|---|---|---|---|
| S | 36.2 | 35.4 | 54.3 | 40.9 |
| M | 37.8 | 37 | 54.7 | 42.5 |
| L | 40.2 | 39.4 | 55.1 | 44.9 |
| XL | 42.5 | 41.7 | 55.5 | 47.2 |
| 2XL | 44.9 | 44.1 | 55.9 | 49.6 |
| 3XL | 47.2 | 46.5 | 56.3 | 52 |
- Features: Pocketed
- Material composition: 100% polyester
- Care instructions: Machine wash cold. Tumble dry low.
- Imported
Size & Fit
- True to size
- Measurements are in Inches
- Relaxed, comfortable fit
- Lightweight, breathable fabric
- Please refer to the size chart for detailed measurements.

What our customers say
Nicola S.
Delivery was late, service was excellent!
My parcel arrived a few days later than expected which was frustrating, hence four stars. But I can't fault OffSEASON themselves. They replied quickly, explained what was happening and followed up. I'd still order again.

Sarah W.
Small issue, handled really well
I accidentally put my old address on the order and only noticed afterwards. Sent a slightly panicked email and they changed it before dispatch. Thank you again, Cherry! Love this dress so much!

Eilidh M.
Made the exchange so easy
The dress was lovely but I needed a size down. I contacted customer service and they explained exactly what I needed to do. No back and forth or fuss. My replacement fits perfectly.”

Charlotte H.
Lovely, but size down if between sizes
Really pleased with it. I'm usually between an 8 and 10 and ordered the 10, but I could probably have gone with the 8. I kept it because I actually like the slightly looser look. Everything else is exactly as pictured.

Fiona M.
Looks just like the photos
I’m always slightly suspicious ordering clothes online because colours and fit can look completely different in person. The jumper genuinely looks like the pictures.
Bethan J.
So refreshing
I emailed on a Sunday evening expecting to hear back sometime during the week and had a helpful response much sooner than expected. Friendly, straightforward and no copy-and-paste nonsense.

Sophie W.
True to size for me
I ordered my usual size 10 and wouldn’t size up or down. There’s enough room through the waist and hips and it doesn’t pull anywhere when I sit down.

Sophia M.
What!!
"It felt expensive. I checked the price three times because I didn't believe it. And it's not too tight. OffSEASON has so many loose-fit designs to choose from. Love it!"

Isabella N.
Exactly what I needed
"I've ordered every summer for four years. Nothing has ever disappointed me. My size sold out before I could check out last time -I set a reminder this season."

Ella S.
Comfortable and stylish
"Wore the brown dress to a wedding, a picnic, and a festival. Same dress. Three completely different looks. Worth every cent at full price, at this discount it's almost criminal."

Heather S.
Good Quality
"The quality is noticeable. Had a linen pants set and they held up well after a few washes, which is always a plus. And I am happy to support their business, two best friends founders".
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Frequently Asked Questions
We're here to answer all your questions!
Shipping
We ship all our orders within the UK using Free Royal Mail Shipping Including Track & Trace. Place your order before 11:00 PM, and it will be shipped the same day, free of charge! Enjoy the convenience of fast, free delivery, bringing your items home without any extra cost.
Returns
Not completely satisfied? No worries! You can easily and quickly return your order within 30 days of receipt. We ensure the process is smooth and hassle-free, so you can return your items with complete peace of mind.
Size
Our clothes are tailored to fit exactly as indicated in the size chart. You’ll find the size chart with each product, ensuring you can always select the perfect size for a flawless fit.
Need more help?
Have a question or need advice? Don’t hesitate to contact us. We are here to assist you and reply within 24h.
Email: info@offseasonlondon.com
Monday to Friday: 09:00 AM - 5:00 PM
Saturday and Sunday: 10:00 AM - 5:00 PM

30-DAY MONEY BACK GUARANTEE
We love our products at OffSEASON and we're confident that you will too! That's why we offer a risk-free 30-day trial period. If you're not entirely satisfied with your product, we'll refund your money.

