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Photo: Asuka Thermal Base-Layer Top | Seoden London 57% OFF
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Asuka Thermal Base-Layer Top
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Asuka Thermal Base-Layer Top

£29.80 £69.8057% OFF
★★★★★4.8 · Loved by 7k+ customers
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Size Chart
Asuka Thermal Base-Layer Top

Measurements are of the garment, laid flat, in centimetres.

Size Shoulder Width Bust Sleeve Length Length
M 35.5 82 56 51
L 37 86 57 52
XL 38.5 90 58 53
2XL 40 94 59 54

Cut close, as a base layer should be. Take your usual size — going up defeats the point of it.

Allow 1–3 cm either way — these are measured by hand.

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Asuka Thermal Base-Layer Top | Seoden London — thermal base-layer top

The layer

A thermal base-layer top nobody sees

It is close through the body and arms, so it disappears under whatever goes on top.

The round neck is cut low enough to stay hidden under a shirt collar.

Black under dark clothes, white under light ones, and nobody is any the wiser. It is the secret to staying warm all winter without looking bulky.

The feel

Soft against the skin all day

A fine, smooth knit lightly brushed on the inside, made to be worn straight against the skin.

There is nothing heavy at the seams to press into you under a fitted top.

It keeps you warm on cold commutes, frosty walks and chilly offices without adding bulk. It is a real everyday essential.

Asuka Thermal Base-Layer Top | Seoden London — soft thermal top fabric
Asuka Thermal Base-Layer Top | Seoden London — cropped thermal top

The fit

Cut short on purpose, M to 2XL

The length runs 51 cm in M to 54 cm in 2XL, shorter than a normal top, so it does not bunch under a high-waisted trouser.

The sleeves are long, 56 to 59 cm, so they stay down when you reach.

Take your usual size; going up defeats the point. Choose your colour above. It is simple and useful.

From Maria & Denis

A thermal base-layer top that goes under everything from October onwards — the quietest thing we sell and probably the most used. The trick with a base layer is that it has to be genuinely thin, so you can still get a jumper over it.

White, black, grey or khaki, in sizes M to 2XL.

In motion

See how it fits

The slim fit, the curved shaping seams and the rounded hem, in black by a London window and in khaki at home.

Why you will love it

Thin enough to wear under anything.

Brushed inside, smooth against the skin.

Cut short so it does not bunch.

Long sleeves that stay down.

Four colours, sizes M to 2XL.

Fabric & care

Fine knit, polyester, lightly brushed on the inner face.

Machine wash cool. Do not tumble dry. Worn next to the skin, so it wants washing more often than the things that go over it.

Size guide

Measurements are of the garment, laid flat, in centimetres.

Size Shoulder Width Bust Sleeve Length Length
M 35.5 82 56 51
L 37 86 57 52
XL 38.5 90 58 53
2XL 40 94 59 54

Cut close, as a base layer should be. Take your usual size — going up defeats the point of it.

Allow 1–3 cm either way — these are measured by hand.

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.