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Photo: Ottavia Thermal High-Waist Leggings | Seoden London 44% OFF
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Ottavia Thermal High-Waist Leggings
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Leggings

Ottavia Thermal High-Waist Leggings

£35.80 £63.8044% OFF
★★★★★4.8 (13) · Loved by 7k+ customers
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Size Chart
Ottavia Thermal High-Waist Leggings

We size this style to our own UK chart. The figures below are body measurements, so measure yourself and match the row — it is a truer guide than a garment measured flat.

Size UK Bust, cm (in) Waist, cm (in) Hip, cm (in)
S 10 84–87 (33–34) 66–69 (26–27) 92–95 (36–37)
M 12 88–91 (35–36) 70–73 (28–29) 96–99 (38–39)
L 14 92–97 (36–38) 74–79 (29–31) 100–105 (39–41)
XL 16 98–103 (39–41) 80–85 (31–33) 106–111 (42–44)
XXL 18 104–109 (41–43) 86–91 (34–36) 112–117 (44–46)

What we can tell you: the knit is high-stretch and the waistband is generous, so the sizes cover a wide range. If you are between two, take the larger — a thermal legging that is slightly roomy is still warm, one that is tight is not comfortable.

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Ottavia Thermal High-Waist Leggings | Seoden London — thermal high-waist leggings

The warmth

Thermal high-waist leggings, bonded not sewn

The pile is bonded to the back of the knit rather than stitched in as a second layer.

That is why they stay slim under a dress instead of looking like two pairs of trousers.

They are thick and meant for a real British winter, not a chilly office. They make winter far more comfortable.

The waist

High and wide, a clean line

The band is cut high and wide, so the line stays smooth under a long knit or a jumper dress.

High elasticity through the whole leg means nothing bags at the knee by lunchtime. They stay put all day.

They are warm enough to wear on their own on cold days. They are cosy and practical for every cold day.

Ottavia Thermal High-Waist Leggings | Seoden London — high waistband of the thermal leggings
Ottavia Thermal High-Waist Leggings | Seoden London — black thermal leggings

The versions

Plain, embroidered, leather tab or cat

Plain for work; embroidered lettering or a small leather tab at the waist if you want a detail; a cat motif if you want something to smile at.

We size them to our UK chart: S is a UK 10 up to XXL at a UK 18.

Choose your version and size above — free UK delivery. They make a lovely winter gift.

From Maria & Denis

Thermal high-waist leggings with a lambswool-effect pile bonded inside — the warmest pair in the collection, the sort you put on in December and wonder why you spent November being cold.

Seventeen versions: black, navy, charcoal and wine in four finishes, plus leopard, in sizes S to XXL.

Why you will love it

Lambswool-effect pile bonded inside.

Slim under a dress, no bulk.

A high, wide waistband.

Seventeen versions.

Sizes S to XXL.

Fabric & care

Polyester with elastane, bonded pile on the inner face. Thick and high-stretch.

Machine wash cool inside out, hang to dry. Never tumble dry — the pile mats and the warmth goes with it. No fabric softener.

Size guide

We size this style to our own UK chart. The figures below are body measurements, so measure yourself and match the row — it is a truer guide than a garment measured flat.

Size UK Bust, cm (in) Waist, cm (in) Hip, cm (in)
S 10 84–87 (33–34) 66–69 (26–27) 92–95 (36–37)
M 12 88–91 (35–36) 70–73 (28–29) 96–99 (38–39)
L 14 92–97 (36–38) 74–79 (29–31) 100–105 (39–41)
XL 16 98–103 (39–41) 80–85 (31–33) 106–111 (42–44)
XXL 18 104–109 (41–43) 86–91 (34–36) 112–117 (44–46)

What we can tell you: the knit is high-stretch and the waistband is generous, so the sizes cover a wide range. If you are between two, take the larger — a thermal legging that is slightly roomy is still warm, one that is tight is not comfortable.

Customer Reviews

4.8★★★★★

Based on 13 reviews

5 star
11
4 star
2
3 star
0
2 star
0
1 star
0

Customer Photos

Customer photoCustomer photoCustomer photoCustomer photoCustomer photoCustomer photo
Gemma H. review photo
★★★★★
Gemma H.✓ Verified

Good under dresses

Thick enough that nothing shows through. You could wear these under a dress all winter.

Paula M. review photo
★★★★★
Paula M.✓ Verified

Proper fleece inside

Real fleece lining, not just thicker fabric. Still soft after washing.

★★★★★
T. Okafor✓ Verified

Very warm

Very warm. Good fit. Came three days earlier than I expected.

Lesley D. review photo
★★★★★
Lesley D.✓ Verified

Warm outside

Two hours out in the cold and my legs stayed warm. Did not need anything under them.

★★★★☆
Nicola F.✓ Verified

Bit long

A bit long on me at 5ft 3. Wish they did a shorter length, otherwise great.

Donna K. review photo
★★★★★
Donna K.✓ Verified

Fit properly

I am an 18 and they do not go see through or cut in at the waist. First pair that does not.

★★★★★
Chloe B.✓ Verified

Cosy

Really cosy, I wear them constantly.

★★★★★
Gill S.✓ Verified

Long enough for me

Good length at 5ft 9, they actually reach my ankle. Took the L.

Suzanne P. review photo
★★★★★
Suzanne P.✓ Verified

Comfy in the evenings

I put these on as soon as I get in. They do not go baggy at the knee.

★★★★☆
Amy R.✓ Verified

Navy is very dark

In dim light the navy looks black.

Katie W. review photo
★★★★★
Katie W.✓ Verified

Waistband stays put

Wide waistband and it does not roll down when you bend. 5ft 7, took the L.

★★★★★
Margaret A.✓ Verified

Bought another colour

Liked the first pair so ordered another colour.

★★★★★
Priya S.✓ Verified

Under trousers

Thin enough to wear under work trousers and still warm.

✓ Verified

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.