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Women > Sets > Co-ord Sets & Jumpsuits

Aiko Round-Neck Long Sleeve Bodysuit

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★★★★★4.8 (6) · Loved by 7k+ customers
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Aiko Round-Neck Long Sleeve Bodysuit | Seoden London — round-neck long sleeve bodysuit

The bodysuit

A round-neck long sleeve bodysuit that stays tucked

Because it is a bodysuit, it never comes untucked: a smooth, clean line at the waist under jeans, trousers and skirts, with no bunching.

The round neckline sits high and neat, easy to wear to work and lovely with a fine chain.

It makes every outfit look sharper, and it layers under knitted vests and pinafores.

The Aiko bodysuit stays perfectly tucked all day, so you never have to keep adjusting your top. It gives a sleek, smooth line under high-waisted jeans, skirts and wide trousers.

The fabric

Smooth, stretchy and opaque

The smooth jersey hugs the body, moves with you and feels soft against the skin.

It is opaque, so you can wear it confidently on its own, thick enough to smooth and light enough to wear under anything.

Flat seams show nothing under tight jeans, and the discreet fastening at the base is easy to use. It has a subtle, polished sheen.

The fabric is smooth, stretchy and opaque, so it feels comfortable and looks polished at the office or for an evening out. It is also a clever base for a blazer, a pinafore dress or a slip skirt, because the line stays smooth from shoulder to hip.

Aiko Round-Neck Long Sleeve Bodysuit | Seoden London — smooth stretchy jersey bodysuit
Aiko Round-Neck Long Sleeve Bodysuit | Seoden London — slim bodysuit on a model

The fit

Slim, S to L

The bust measures 78 cm on the S, 82 cm on the M and 86 cm on the L before stretch, and the waist 68 to 76 cm. Take your usual size for a flattering, sculpting fit.

Wear it with blue jeans and a statement belt, or under a blazer with tailored trousers.

Choose your colour and size above — free UK delivery.

Camel, hot pink, navy, grey and black make it easy to match with any outfit. Wash on a gentle cycle without softener.

From Maria & Denis

A round-neck long sleeve bodysuit is the smooth, sleek base layer every wardrobe needs — a slim, stretchy bodysuit with a neat high neckline that stays perfectly tucked all day.

Camel, hot pink, navy, grey or black, in sizes S to L. It solves the everyday problem of tops that ride up and untuck, under everything from a chunky cardigan to a sharp blazer.

Why you will love it

A bodysuit that stays smoothly tucked all day.

A neat, high round neckline.

A smooth, stretchy, opaque jersey.

A slim, body-skimming fit.

Five colours, sizes S to L.

Fabric & care

Machine wash at 30°C on a gentle cycle with similar colours. Skip the fabric softener — it coats the fibres and takes the stretch out over time.

Hang to dry. A cool iron if needed, never on a print or a seam band.

Size guide

These are measurements of the garment laid flat, not body measurements. Compare them with a similar piece you already own — that is the most reliable way to choose.

Size Top Length Bust Sleeve Length Shoulder Waist
S 69 78 59 31 68
M 70 82 60 32 72
L 71 86 61 33 76

Customer Reviews

4.8★★★★★

Based on 6 reviews

5 star
5
4 star
1
3 star
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2 star
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1 star
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Kayla B. review photo
★★★★★
Kayla B.✓ Verified

Stays tucked

Stays tucked in all day, that is all I wanted.

Leah M. review photo
★★★★★
Leah M.✓ Verified

Smooth

Smooth under jeans, no lines.

★★★★☆
Nia T.✓ Verified

Long torso

I have a long torso so the M was a bit short, L fits better.

★★★★★
Zara W.✓ Verified

Basics

Bought black and camel for basics.

Amy L. review photo
★★★★★
Amy L.✓ Verified

Nice

Nice fabric.

★★★★★
Ruby C.✓ Verified

Pink

Hot pink is so fun 💗

✓ Verified

Questions and answers

How do I choose my size in this top?

It comes in sizes L to S. The size guide on this page gives measurements of the top itself, taken flat: top length, bust, sleeve length, shoulder and waist. Measure a similar top you own, laid flat, and compare it with the chart; free UK delivery and 30 days to return give you time to check the fit at home.

How do I wash this top?

Machine wash at 30°C on a gentle cycle with similar colours. Skip the fabric softener — it coats the fibres and takes the stretch out over time. Hang to dry.

How do I style this top?

Tuck it into high-waisted jeans or wide trousers, or wear it under a cardigan, a blazer or a denim jacket. With a midi skirt and boots it suits an evening out, with jeans and trainers an easy day.

Why it's a must-have

Why it's a must-have

Versatile elegance
Combines refinement with versatility — equally at home for casual and formal outings.
Premium material
A high-quality fabric that ensures comfort through every season.
Considered design
A clean, unique silhouette that adds a touch of sophistication to any outfit.
Regular fit
Designed for a comfortable, regular fit that complements various body types.