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M&S

Sienna Straight Leg Jeans

£26

Colour

Customers say:

Fits true to size()
Waist

Inside Leg

Free standard delivery over £60

Product code: T577566

About this style

Add a touch of contemporary style to your everyday wardrobe with these Sienna denim jeans. The mid-rise design and straight leg cut offer a classic silhouette, while the super stretchable fabric provides all-day comfort and flexibility with a soft, comfortable feel. Perfect for casual wear, finished with a practical button and zip fastening for a secure fit. M&S Collection: easy-to-wear wardrobe staples that combine classic and contemporary styles.

Straight: Classic fit from hip to hem

Details & care

Item details

Model Height: 5ft10"/178cm

Model is wearing size: 16/LNG

Fit and style

Straight leg

Button and zip fastening

Mid rise

Composition

80% cotton, 18% polyester and 2% elastane

Care

Wash at 40°C

Do not bleach

Do not tumble dry

Iron at medium temperature

Do not dry clean

Delivery, collection & returns

Delivery

Standard

UK Standard Delivery is available for £3.99 or free on orders over £60 (excluding furniture).

Exclusions apply

Full delivery and collection informationOur returns policy

Reviews (11735)

4.3

67% Recommended this product

Mentions
03 November 2025Unchabuncha
Verified Purchase

Jeans for a baggy bottom

No, I don't recommend this

Not bad, but they don't fit very well across the bottom. There seems too much material leading to a rather baggy bottomed look.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

03 November 2025SueRuby
Verified Purchase

Good quality for the price

Yes, I recommend this

I have purchased these jeans several times. They are good quality for the price

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

03 November 2025Diana 61
Verified Purchase

Great fit and quality

Yes, I recommend this

Fit well good value love jeans as well, reg perfect length.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

03 November 2025honestjoan
Verified Purchase

Not straight leg!

No, I don't recommend this

These are definitely not a straight leg as they taper after the knee. For those if us wide of knees & calf, they dont hang right and grip the leg. Shame as I was looking for an alternative to the fabulous Eva jeans that are reliable and my go-to.

Reviewer Ratings

How did it fit?

A bit small

Helpful?

Reviewer Ratings

How did it fit?

A bit small

02 November 2025timid
Verified Purchase

Not as expected

No, I don't recommend this

Hoped that I'd found some decent jeans. Unfortunately I found the same issues as others, ie sizing issues. So unfortunately had to return them

Helpful?

02 November 2025Gobletzoo
Verified Purchase

Bad fabric choice

No, I don't recommend this

Quite a nice shaped jean but they pil really badly.

Reviewer Ratings

How did it fit?

A bit large

Helpful?

Reviewer Ratings

How did it fit?

A bit large

02 November 2025JBB9
Verified Purchase

Great fitting jeans.

Yes, I recommend this

Bought as a replacement for worn pair! Love the quality and fit.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

02 November 2025Nannyanonymous
Verified Purchase

Great length

Yes, I recommend this

Always looking for extra short length jeans/trousers so I wish more were available. Ideal length for me plus a good fit. Shame they are hard to find on line and non existent in store.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

02 November 2025rojane
Verified Purchase

great

Yes, I recommend this

I've searched everywhere but couldn't find any comfortable jeans until I found these. They are soft stretchy, so so comfortable and a brilliant price. I've bought 2 pairs and will probably buy more.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

01 November 2025Annie long legs
Verified Purchase

Really comfy fit.

Yes, I recommend this

Really comfy fit. Same as the per Una jeans I’ve previously bought. Would buy again.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

01 November 202521times
Verified Purchase

Lovely black jeans

Yes, I recommend this

First time I’ve bought these jeans very pleased with them great fit

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

01 November 2025letterandno
Verified Purchase

Good value

Yes, I recommend this

Bought the jeans for everyday wear. They are comfortable and fit well.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

31 October 2025Chrissy 2810
Verified Purchase

Lovely jeans

Yes, I recommend this

The jeans are lovely, I’ve been buying these for a long time and have always been pleased However I am very unhappy that I was unable to select click and collect when I purchased them even though I have in the past. I paid £3.99 to have them delivered and they took almost a week to come. Why can I not have click and collect? I can walk to my local M&S store and pick them up the following day normally. I am not at all happy with this service

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

31 October 2025DHo
Verified Purchase

Sienna Jeans

Excellent fit and comfort. Good value for money and great length for tall women.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

31 October 2025A1LovelyMom
Verified Purchase

I have several pairs and will be back for more.

Yes, I recommend this

I have a gazillion pairs of these jeans in the dark wash and black. Very comfortable and flattering. Easy to dress up or down. A simple and classic shape which keeps me coming back for more.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

31 October 2025LJW 6
Verified Purchase

Buy what you know!

Yes, I recommend this

Had these before. Don’t understand carrot or barrel or whatever name has been applied to jeans, it totally confuses me. Don’t know what to choose . So I buy what I know. Not worn the new pair yet. Please help more mature customers , provide us with good quality women’s classic clothes , the girls have lots of choice in other stores.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

30 October 2025PAG 1953
Verified Purchase

LOVELY PAIR OF JEANS

Yes, I recommend this

GREAT PAIR OF JEANS, GREAT FIT WITH A BIT OF STRETCH FOR COMFORT AND THEY LOOK GREAT TOO. HAVE HAD THEM BEFORE AND WILL DEFINITELY BE HAVING THEM AGAIN

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

30 October 2025Allyb56
Verified Purchase

Amazing quality

Yes, I recommend this

Bought as I was fed up with cheaper ill fitting jeans so decided to pay a little extra from a store with great reputation for quality and I was not disappointed they fit amazing and with quality to match. I've ordered the same brand in a different colour.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

30 October 2025Robs78
Verified Purchase

Come up long

No, I don't recommend this

I'm 5ft5. Regular were too long by far so swapped for petite and they were so short. Got M&S cords same week in regular and were fine so not sure what's odd about these

Helpful?

30 October 2025J Qualia
Verified Purchase

Poor quality

No, I don't recommend this

I loved these jeans on first wear. But after washing (and following the care instructions) the jeans were loose, baggy and lost their shape. They did not wash well at all sadly.

Reviewer Ratings

How did it fit?

True to size

Helpful?

Reviewer Ratings

How did it fit?

True to size

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