Sweaty Betty
Zero Gravity Illuminate 7/8 Running Leggings
£100
£40
Product code: T128191S
About this style
Power through the toughest of runs in these leggings from Sweaty Betty. They're cut in a compressive skinny fit with a convenient 7/8 length. Added stretch and a high elasticated waistline ensure effortless movement. The sweat-wicking fabric keeps you cool and fresh for longer and delivers UV40+ protection from the sun's rays. Meanwhile, reflective detailing helps you be seen in dark conditions and mimics kinesiology tape for extra support. A drop-in side pocket and a zipped back pocket provide useful storage.
Curated By

Details & care
Details & care
Fit and style
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Skinny fit
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Elasticated waist
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High waisted
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Ultra-lightweight fabric is quick-drying for your sweatiest sprints.
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Adjustable waistband.
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Back zip pocket and two side slip pockets.
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Warp-knitted fabric offers compression technology, UV40+ protection and improved opacity.
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Reflective detailing mimics kinesiology tape for added support and compression.
Features
Bum sculpting
4-way stretch
Ultra lightweight
Adjustable waist
Composition
59% polyamide, 41% elastane
Care
Machine washable, wash with similar colours
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Reviews (107)
Get the job done!
Originally posted on sweatybetty.com
As always - great fit, flattering, useful pockets and do the job for running colder weather.
Helpful?
Great fit - but totally see through!
Originally posted on sweatybetty.com
Great fit, fabric and hold - but be prepared to be seen as it’s more than see through. It’s seriously verging on the “not really there” look if you squat or hinge. Which is such a shame as the fit and material call for gym use…
Helpful?
Replied
05 June 2025
Hi there, A massive thank you for taking time out of your day to leave us feedback. We’re so sorry to hear that our Zero Gravity 7/8 Illuminate Running Tight didn’t suit as you’d hoped. We’re listening, learning and constantly striving to be better. We will make sure to pass this onto the relevant team. Should you require any further assistance, our Customer Care Team would be more than happy to help. Best wishes, Team SB
Fabulous leggings
Originally posted on sweatybetty.com
Best legging I’ve bought, 7/8 is perfect length for me being 5ft 2 in, they are super comfy.
Helpful?
Winner all round
Originally posted on sweatybetty.com
Yes, I recommend this
Love these! They look good and feel good too. The two deep pockets are perfect for phones etc. and there is still a zipped pocket for keys/money. 7/8ths is perfect full-length for my 5'4" height.
Helpful?
Love it.
Originally posted on sweatybetty.com
Yes, I recommend this
My favorite running tight so far! I have to get a new one because I fell.
Helpful?
See through
Originally posted on sweatybetty.com
No, I don't recommend this
Disappointed with these, they feel cheap and they’re see through when they stretch.
Helpful?
Replied
04 June 2025
Hi there, A massive thank you for taking time out of your day to leave us feedback on our Zero Gravity 7/8 Illuminate Running Tight. Our Zero Gravity Leggings have been specifically designed for running, with a technical fabric incorporating a ‘honeycomb’ structure, so they are ultra-light weight and quick drying. For this reason, we don’t market these leggings as squat proof, however if you’re looking for more coverage, why not try our famous Power legging which is 80-90% squat proof and can be used for running and beyond. Best wishes, Team SB
Perfect fit
Originally posted on sweatybetty.com
Yes, I recommend this
Great leggings very comfy, no hitching up they stay put. Perfect!
Helpful?
Great style.
Originally posted on sweatybetty.com
Yes, I recommend this
I bought these legging because I liked the style, not because I can run. They look really nice and are very flattering.
Helpful?
Comfortable and supportive
Originally posted on sweatybetty.com
Yes, I recommend this
Wanted leggings specifically for running, sweaty betty doesn’t have a lot of choice as mainly gym or yoga focused. Comfortable and supportive with space for keys and phone, would prefer a zip on phone pocket as feel like it may come out while running (hasn’t so far). Sizing a bit off, based on measurements was a xl, but ignored waist size and a s fit fine. Measurement Sizing aimed at being the models build. Lightweight legging, not a winter legging, legs get freezing as material is thin.
Helpful?
Perfect fit 💖
Originally posted on sweatybetty.com
Yes, I recommend this
I wore these leggings for running and they did not move at all. Perfect. I am 5ft 2" and they are the perfect length for full length leggings on me. Big pockets for phone and other bits, the reflective parts look really good too. I love them. Definitely recommend.
Helpful?
Great running leggings
Originally posted on sweatybetty.com
Yes, I recommend this
Great running leggings, the reflective stripes are great for this time of year.
Helpful?
Super comfy and perfect fit!
Originally posted on sweatybetty.com
Yes, I recommend this
Love my new running leggings, super comfy and perfect fit!
Helpful?
Great!
Originally posted on sweatybetty.com
Lovely leggings and great for running! Will definitely get some more!
Helpful?
Th best leggins for tummy tucking ☺️
Originally posted on sweatybetty.com
Yes, I recommend this
Extra comfy, pockets on both legs and small pocket with zip at the back !!!
Helpful?
Whoa, Sweaty Betty, bam - ba - lam
Originally posted on sweatybetty.com
Yes, I recommend this
Had my eye on these for ages but had been put off by other reviews saying they where see through and poor quality and kept deleting them out of my basket. Sweaty Betty dont do bad leggings so I decided to give them a go and I wasn’t disappointed - no knickers or skin on show here!!!! Don’t think there is any difference in sizing either as some reviews seem to say - fit seems the same as all my other Bettys. Love the reflective markings on the tights but still like the navy blue one block colour. Comfortable on the waist and round the backs of the knees and I love the bonus extra side pocket. May now need to get the black ones too. My one and only complaint is that they didn’t give me a PB this morning at Parkrun (though I suspect that’s not the fault of the leggings 🤷🏻♀️ 🤣)
Helpful?
Really comfortable and supportive running tights
Originally posted on sweatybetty.com
The running tights are fabulous and really comfortable to wear. I especially like the 2 pockets which means I can have my phone in one pocket and either gloves or a drink in the other pocket. The small zipped pocket at the back is perfect for holding a car key. My first Sweaty Betty running tights and not my last.
Helpful?
Totally unsuitable - see through on bum!
Originally posted on sweatybetty.com
I’d read some other reviews but thought these can’t be that bad surely…leggings themselves are nice fit and material, good pockets. But I was just incredibly disappointed because my black knickers were clearly visible through them! Totally unsuitable for running given how see through they are on your bum - did nobody test these before they were sold to customers? Not the quality I expect from sweaty betty. Sent back. Sticking with tried and tested power leggings!
Helpful?
My favourite running leggings
Originally posted on sweatybetty.com
Yes, I recommend this
This is my second pair as they are my perfect running leggings and wanted another pair! They don’t slip, in fact they don’t move, no riding up or down, they have the phone pocket as I don’t like wearing any belts etc and don’t ride down when the phone is in the pocket. They keep me the right temperature what ever the weather.
Helpful?
Best I've ever had
Originally posted on sweatybetty.com
Comfort wise you don't know you're wearing these and they still keep the cold out. They fit beautifully and I love the high waist so they don't feel like they're falling down. Really pleased.
Helpful?
Running leggings..
Originally posted on sweatybetty.com
I bought my size and found them little tight on the waist .I will keep them but prefer my under armour leggings..the length was perfect and the design..
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