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Sienna Straight Leg Jeans

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: 5ft9"/176cm

Model is wearing size: 8 Long

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

M&S

Sienna Straight Leg Jeans

£26

Colour

Customers say:

Fits true to size()
Waist

Inside Leg

Free standard delivery over £75

Reviews (12905)

4.3

67% Recommended this product

Mentions
17 May 2026AngieTelford5151
Verified Purchase

Very flattering jeans

Yes, I recommend this

I ordered the Sienna straight leg jeans as they looked to be my style. The fit was perfect flattering and really good quality. There is a choice of colours. I am really pleased with my choice.

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Style

Good

Helpful?

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Style

Good

17 May 2026EWillow
Verified Purchase

Frustrated with sizing.

Sienna indigo jeans in Short & Regular. I am so frustrated with M&S sizing. I ordered the short and regular in a 14 in these jeans. There is a 3 inch difference in length. The short are too short and the regular are too long. The short were also a smaller fitting. Frustrated and disappointed to say the least. So much time spent on returning online orders!!

Helpful?

17 May 2026Evelyn34
Verified Purchase

Beautiful fit

Yes, I recommend this

Excellent fit and very comfortable, just the right fit and length.

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Style

Excellent

Helpful?

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Style

Excellent

17 May 2026Kath of Surrey
Verified Purchase

M&S never change

Yes, I recommend this

I have been buying these jeans for donkeys years. Still fit perfectly material is excellent and they are excellent for the price. Says what is says on the label

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Style

Excellent

Helpful?

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Style

Excellent

17 May 2026Viviane U
Verified Purchase

Gorgeous jeans!!

Yes, I recommend this

I have a hard time finding the right length as I’m taller than average. M&S offers LONG option for trousers and they fit me just perfectly!!!

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Style

Excellent

Helpful?

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Style

Excellent

17 May 2026Jillyan
Verified Purchase

Great jeans

Yes, I recommend this

I have tried on and returned so many jeans before finding these. Fit like a dream are a perfect leg length, (I'm 5'8) and bought long.

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Style

Excellent

Helpful?

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Style

Excellent

16 May 2026Ann Forth
Verified Purchase

Good fit

Yes, I recommend this

They fit well if still a little long, but maybe they may shrink an inch. 🤞

Reviewer Ratings

How did it fit?

True to size

Length

Excellent

Style

Excellent

Helpful?

Reviewer Ratings

How did it fit?

True to size

Length

Excellent

Style

Excellent

16 May 2026Charlotte28
Verified Purchase

Good quality for a reasonable price

Yes, I recommend this

Good quality jeans,reasonably priced .Good fit for size 10.A bit long for me at 5ft 3 in

Reviewer Ratings

How did it fit?

True to size

Length

Value for Money

Excellent

Helpful?

Reviewer Ratings

How did it fit?

True to size

Length

Value for Money

Excellent

16 May 2026Burmilla
Verified Purchase

Brilliant jeans

Yes, I recommend this

£26 a pair. Great fit. Nice and soft. Absolutely well worth the price- I have for pairs!

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Style

Excellent

Helpful?

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Style

Excellent

16 May 202699girl
Verified Purchase

Trousers never fitting but jeans do !

Yes, I recommend this

I have given up in the last couple of years of finding a pair of trousers to fit me in M&S because of weird sizing and poor quality of material .(though I have been buying my trousers on M&S for 55 years )!In desperation despite my age thought I would try these and they fit comfy on the waist and not baggy in the leg very flattering .I now have three pairs in different colours as I know from experience I will never see them again!

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Good

Material

Good

Style

Good

Helpful?

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Good

Material

Good

Style

Good

16 May 2026AprilJoy
Verified Purchase

Perfect fit, colour and size

Yes, I recommend this

I’ve lost a bit of weight, so needed a good pair of jeans that fit well. These are perfect colour fit and size! It took quite a while in store and on line to find just what I needed.

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Helpful?

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

16 May 2026Debbie long legs
Verified Purchase

Sizing

Previously bought size 14 long in dark indigo. As they are so comfortable and perfect fit I ordered same size online in dark blue denim. Unfortunately they are slightly smaller making them a tighter fit. Hoping the stretch in them will give a little on wearing

Reviewer Ratings

How did it fit?

A bit small

Length

Good

Value for Money

Good

Style

Good

Helpful?

Reviewer Ratings

How did it fit?

A bit small

Length

Good

Value for Money

Good

Style

Good

16 May 2026Flora65
Verified Purchase

lovely soft jeans

Yes, I recommend this

easy fit, comfortable and still stylish,good colour wash

Reviewer Ratings

How did it fit?

True to size

Length

Good

Helpful?

Reviewer Ratings

How did it fit?

True to size

Length

Good

15 May 2026Grandma got it wrong
Verified Purchase

Don’t use Grandma got it wrong just put “older

Yes, I recommend this

The jeans are an excellent fit although I had to size up from 14 to 16 the regular length is perfect for my 5/6 height the material feels a bit harsh but will probably soften when washed so everything considered I am quite happy and would recommend

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Good

Helpful?

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Good

15 May 2026AberdareGirl43
Verified Purchase

Not stylish but are actually mid rise!

Yes, I recommend this

I have been desperate for a pair of jeans that dont come up to my armpits and arent six inches too long (even when petite) and these fit the bill! So I kept them even though they aren’t the most stylish

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Style

Average

Helpful?

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Style

Average

15 May 2026Rosied004
Verified Purchase

Good strong jeans

Yes, I recommend this

Good sturdy pair of jeans. So glad I could get them in the short size

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Style

Excellent

Helpful?

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Style

Excellent

15 May 2026Picky12
Verified Purchase

Good fit jeans

Not being a fan of wide fit Sienna and skinny out of fashion these made a good choice. I'm happy with these.

Helpful?

14 May 2026Vivky
Verified Purchase

Happy

Yes, I recommend this

Good fit & nice material Always choose M & S for jeans

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Helpful?

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

14 May 2026jvl25
Verified Purchase

Good quality jeans

Yes, I recommend this

I love the fit of M&S jeans particularly the Lily slim leg jeans. I would have given these Sienna jeans 5 stars apart from the colour which stated "white" on the website but were "soft white" or "creamy white" which was disappointing. I will still wear them because they do fit so well. I will continue looking for a pure white pair of jeans.

Reviewer Ratings

Value for Money

Excellent

Helpful?

Reviewer Ratings

Value for Money

Excellent

14 May 2026AvaCharlie
Verified Purchase

Great fit and style

Yes, I recommend this

Really comfy jeans, a lovely soft denim that are easy to wear. Dress them up or down,they are fabulous and a great fit.

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Style

Excellent

Helpful?

Reviewer Ratings

How did it fit?

True to size

Length

Good

Value for Money

Excellent

Material

Excellent

Style

Excellent

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