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Harper | Elastic Waist Denim Jumpsuit

Harper | Elastic Waist Denim Jumpsuit

£44.95 £114.95 Save 61%
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Relaxed elegance with a soft, feminine touch

There is an easy confidence in a piece that asks nothing of you. This one slips on and settles beautifully, moving with you through the day while still looking quietly polished.

Our stylists recommend this piece for women who want to feel put-together without effort.

  • Comfortable from morning to evening: a loose, easy fit that allows natural movement.
  • A soft feminine detail: the Peter Pan collar gives a classic, elegant finish.
  • A relaxed, flattering shape: it drapes gently and skims rather than clings.
  • Everyday practicality: side pockets keep your essentials close.
  • Effortless to wear: just as at home on a weekend away as it is on an ordinary Tuesday.

Lovely for casual outings, travel, lunches with friends, and everyday elegance.

True to our UK size chart. If you are between sizes, we advise sizing up.

Every order is covered by our 30-day money-back guarantee.

A quietly elegant piece you will find yourself reaching for again and again.

Enjoy peace of mind with your order — today we ship everything free of charge with Royal Mail, complete with tracking so you'll always know when your parcel will arrive.

Your satisfaction is our priority. That's why we offer a generous 30-day return and exchange policy. Take your time, try it at home, and if it's not exactly what you hoped for, you can easily return or exchange it within 30 days

Your security comes first. That's why we process all orders through Shopify Payments and trusted credit card providers ensuring every transaction is smooth, reliable, and fully protected.

We are committed to providing exceptional customer service, available around the clock to help with any questions or concerns. Feel free to reach out to us anytime at info@sophieandjameslondon.com.

Claire W. and 10k+ other women are wearing Sophie & James London

What our customer say

<p>What our customer say</p>

The fit is perfect and the quality feels lovely and substantial. I've already had so many compliments I don't think I'll be shopping anywhere else.

Carol B. 2 hours ago

<p>What our customer say</p>

Wore this to a garden party at the weekend and felt effortlessly elegant. It floats beautifully in the breeze and I had several people ask where it was from.

Marion H. 1 month ago

<p>What our customer say</p>

Wore this to a friend's 60th and felt wonderful all afternoon. It's rare to find something this elegant that's also so comfortable to wear.

Susan M. 4 days ago

<p>What our customer say</p>

I bought this for a wedding and ended up wearing it three times since. It's become a real staple in my wardrobe.

Deborah L. 35 minutes ago

<p>What our customer say</p>

The most comfortable sandals I've worn in years. I sat out at a cafe all afternoon and my feet were perfectly happy — no rubbing at all, and they look so pretty with a summer dress.

Elaine B. 35 minutes ago

<p>What our customer say</p>

So flattering and easy to wear. I'm 58 and it's so nice to find pieces that feel refined without being fussy.

Christine W. 3 days ago

<p>What our customer say</p>

So flattering and easy to wear I felt lovely the moment I put it on. It came up a touch long for me but nothing that spoils it, and it looks far more expensive than it was

Hazel W. 4 days ago

Quietly beautiful, deliberately chosen

Before anything reaches the collection, it's studied, the cut, the drape, the way a silhouette flatters rather than clings. Sketches are compared, fabrics are felt, and most pieces don't make it. Only the ones that fit the woman you are today do: refined, effortless, quietly beautiful.

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The boutique standard, brought to your door

There's a reason shopping in a small boutique feels different. Nothing is there by accident. Someone chose every piece on the rail, considered how it drapes, who it flatters, whether it earns its place.

Sophie & James was built to bring that feeling to your doorstep. A collection kept deliberately small, refined, effortless pieces selected the way a good boutique buys, not the way the high street fills shelves.

Frequently Asked Questions

Yes, shipping is free on every order, always. No minimum spend, no codes, no surprises at checkout. The price on the page is the price you pay, and your order arrives tracked and carefully packed, at no extra cost.

Absolutely! You can return your order within 30 days of receiving it. Items must be unworn, undamaged, and in their original condition.

To start a return, please contact us via our Contact Page or email us at info@sophieandjameslondon.com, and we’ll guide you through the return process.

Once your order has been processed, you will receive a confirmation email with your personal tracking number. You can then track your package anytime through our Order Tracking Page.

Each product includes a detailed size chart to help you pick the best fit. If you’re between two sizes, we recommend going one size up for extra comfort. Still unsure? Our customer support team is happy to assist you.

You can shop safely and securely with the following payment methods:

  • Credit Cards (Visa, Mastercard, American Express)
  • Apple Pay
  • Google Pay
  • Shop Pay

Yes, completely. Your payment runs through Shopify's checkout, the same secure system behind millions of shops worldwide, and you can pay the way you already trust: Visa, Mastercard, PayPal, Apple Pay. Your card details are encrypted end to end and never stored by us. What you see at checkout is what you pay, no surprises after.

The moment you place your order, it's in motion. Within 1–3 business days it's carefully checked, packed, and on its way, and from that point, you're never left wondering. Tracking updates arrive in your inbox at every step, so you always know exactly where your order is.

And if anything ever feels unclear, a real person replies,usually within the day.

Our customer support team is always happy to help. You can reach us through the Contact Page or by email at info@sophieandjameslondon.com. We usually reply within 24 hours.

30-DAY MONEY-BACK GUARANTEE

Try it at home, with your mirror, your shoes, your own light. If it isn't right, you have a full 30 days to send it back for a full refund.

FREE DELIVERY

Free tracked delivery on every UK order. The moment it ships, the tracking link lands in your inbox, so you'll never once wonder where your order is.

SECURE PAYMENT

Pay however you already trust, Visa, Mastercard, Apple Pay, through our safe checkout. Your card details are encrypted, never stored by us and what you see at checkout is exactly what you pay.

Our customers tell it better than we do

★★★★★

The dress fits beautifully and feels so comfortable to wear. The fabric is soft and lightweight, and the flowing silhouette falls in a really flattering way through the waist and hip. The three-quarter sleeves are perfect for a warm day without feeling exposed. I had it on all day at a garden party and still felt fresh by the evening. I will definitely be ordering another colour.

Emma J.
London – 12 hours ago
★★★★

I was a little unsure about sizing at first, but the dress turned out to be perfect. The waist tie lets you adjust the shape, so it is forgiving without looking oversized, and the material feels gentle on the skin. It is stylish and easy to slip on, and works just as well with flats for the day as it does dressed up with heels for dinner.

Claire W.
Manchester – 1 day ago
★★★★

I love how the dress looks on me. The soft fabric smooths over everything beautifully, feels comfortable all day, and the flowing silhouette gives such a flattering shape through the waist. The colour is exactly as shown in the photos and the fit is even better than I expected. It has quickly become one of my favourites — I reach for it whenever I want to feel effortlessly put-together.

Sarah M.
Birmingham – 2 days ago
★★★★★

I am really happy with the item I ordered. It feels lovely on the skin, fits comfortably, and has a very flattering look once on. It is one of those pieces that feels easy to wear while still looking polished.

Olivia R.
Leeds – 3 days ago
★★★★★

The midi dress exceeded my expectations. I was hoping for something comfortable and flattering, and it truly delivered on both. The fabric feels lovely and soft, the gentle A-line skims over the tummy rather than clinging, and the length sits perfectly just below the knee. It looks just as elegant in person as it does in the photos. I wore it to a lunch and felt put-together all afternoon.

Helen P.
Liverpool – 5 days ago