Fitness

5 best gym trainers I've tried for HIIT training and lifting weights

Sturdy & supportive.
Best Gym Trainers 2026
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Gym trainers FAQs, answered:

What are gym trainers?

“Gym trainers — or ‘cross-trainers’ — are hybrid footwear designed to provide lateral support and cushioning,” details Mr Andrea Bianchi, a consultant orthopaedic surgeon at The Private Clinic, who specialises in orthopaedics and traumatology. “An ideal trainer must allow the foot to move without forcing the big toe into a cramped position, supporting the natural biomechanics of walking.”

What's the difference between running shoes and gym trainers?

Running shoes are primarily designed to provide shock absorption and support forward movement, while still remaining lightweight so you can fly across the road, trails or track. They also tend to have more arch support than gym trainers and are generally more flexible, to help with the foot's natural movement during running.

“To avoid joint pain, we want trainers that will absorb some of the impact of cardio exercise, with adequate support on the heel, ankle and arch of the foot, says Nancy Best, founder of Ladies Who Crunch. "Whether you’re doing a burpee or sprinting around a track, you need a lightweight trainer that won’t weigh you down.'

Gym trainers, on the other hand, are usually flatter and have less cushioning, with a lower heel-toe drop and provide more support to the heel and ankle – this is to allow for better stability during, for example, weightlifting. They can be worn for HIIT, weightlifting, strength training, basketball, tennis, dance classes, CrossFit, aerobics, and more. Some gym trainers, especially the ones designed for functional training (think: box jumps and plyometrics), will have more cushioning and more flexible soles than shoes designed purely for weightlifting.

“For building functional movement patterns in strength training, we want to optimise stability," adds Nancy. “Specialist trainers, like Metcons, are supportive for your ankles without over-cushioning your arches. They also ensure that you can grip properly through your feet, for compound movements like deadlifts.”

Can I use running shoes in the gym?

“Yes, but with caution,” says Mr Andrea Bianchi. “Running shoes are designed for linear movement, and often have a soft mesh upper that does not compress the exostosis (the bony protrusion).” However, one disadvantage of using these trainers in the gym is that they may lack the lateral stability needed for agility exercises or heavy weightlifting.

How to choose the right gym trainers:

The best gym trainers for you depend on your activity of choice, but in general, you’ll want to consider the following:

  • How comfortable are they? Can you move your toes? Does your heel slip? Do they give you blisters?
  • Does your arch feel supported? Are the laces tight? Is there enough cushioning around your midfoot to reduce the chances of a sprain?
  • Is there firm heel support? What about ample ankle stability?
  • Are the uppers durable? What materials were used? How high-quality is the shoe?
How should my gym shoes fit?

Unlike running shoes, which are commonly recommended to fit a little larger to accommodate swelling when your feet get hot, gym shoes should fit like any other shoe. That means they should be snug and supportive but not too tight, with the ability for your foot to spread out and ground down through the shoe.


Meet the experts:

Nancy BestFounder of Ladies Who Crunch, an all-women's online training platform.
Mr Andrea BianchiA consultant orthopaedic surgeon at The Private Clinic, who specialises in orthopaedics and traumatology.

How I test the best gym trainers:

It's not quite as simple as prioritising them for a week's worth of workouts — although this is where I tend to start. After calling in a sample from a brand, I spend a week wearing them to various workout classes and to the gym. For context, this month I attended four weight classes at F45, ran 180 kilometres, and completed multiple SHREDDY arm workouts.

After wearing a pair for a minimum of three workouts, I review them against the following criteria:

DesignAre the gym trainers fit for purpose — supportive and not too bouncy? Are they aesthetic, and do I have options in terms of colour and design?
FitAre they true to size? Are there narrow and wide fit options? Is the sizing and associated guide easy to understand?
SupportDo they fit securely around the heel and midfoot for stability, while offering ample room in the toe box for my toes to splay naturally?
Price pointWould I be willing to spend that much per pair again? Did they wear well?
DeliveryHow quickly did each pair arrive, and what were the associated costs?

For the pairs I haven't personally tested, I called on experts in the field — specifically, Alice Barraclough, a nutrition editor and fitness fanatic, alongside Chloe Gray, a health editor and coach at Ladies Who Crunch. I asked for their personal recommendations, as well as their honest thoughts on pairs they've tried to date.

As you'd hope, only the gym trainers that impressed made it into this edit. However, I also tried the following, which sadly didn't meet my standards:

  • UA Aurora 3, £65 — I have no major complaints about these gym trainers, and have to point out that they're much more affordable than some others in this edit. I just found them a little bulky and heavy for workouts that include a lot of jumping.
  • ASICS Gel-Dedicate 8, £65 — Technically, this is a trainer best suited to tennis and padel, yet I found it supportive around the ankle and not too rocky. Can we just get some more exciting colourways, please?

In terms of what I'm currently testing, stay tuned for these reviews:

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Women's UA Dynamic 2 Training Shoes

Pros & Cons
Pros
  • Softer Flow midsole provides responsive cushioning.
  • The brand offers free exchanges if the size isn't quite right.
  • Super comfy, thanks to that knit upper and regular fit — not too narrow, and not too wide.
Cons
  • More basic design than some others in this edit.
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Kawana 3

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Cloud X 4 AD

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Dropset 4 Training Shoes


Why you can trust me:

I've been a shopping writer for almost three years — that includes a year writing for Cosmopolitan and Women's Health, followed by 19 months at Glamour. In that time, I've reviewed everything, from the latest activewear, including gym and running trainers, as well as menstrual products like period pants and sexual wellness launches.

In terms of my working week, it consists of a lot of personal testing, plenty of writing and heading to countless press events to catch up with brands and experts on their fresh releases. I also regularly chat one-on-one with activewear designers, women's health experts and functional fashion pros, asking for their expert insight, and keep up to date on the latest wellness research.

However, I'm also addicted to endorphins, working out up to five times a week. That includes attending weighted HIIT classes at 1Rebel and F45, attempting to hit a new 5k PB, and squeezing in a yoga session, which I like to label as ‘active recovery’. And while years ago I used to wear my running trainers to the gym, I've since discovered the importance of study shoes when squatting, lunging and jumping.

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Neamh Randall testing gym trainers near the Glamour UK office.

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Karina Marriott testing ASICS' Gel-Challenger 14 Padel Shoes.

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