A Muay Thai World Champion Put This Activewear Through Hell — Here's Her Honest Review

When Fieldtime sent their sports bra and shorts to a decorated combat sports athlete, they didn't ask her to go easy on it. Here's what happened.

There are product testers, and then there are world champions. When Fieldtime wanted real feedback on their women's activewear, they didn't send it to an influencer with a ring light and a sponsored smile. They sent it to Kay Gentle — a Muay Thai and kickboxing world champion who trains like her livelihood depends on it, because it does.

Kay Gentle wearing FIELDTIME Champange Tan Windbreaker (XS) and Champange Tan Wide Leg Joggers (Small)

Kay didn't fill out a survey sitting on her couch. She put the gear through a full session of strength training and boxing, two disciplines that demand completely different things from activewear. Strength training pulls at seams, tests waistbands, and challenges compression from every angle. Boxing adds dynamic, explosive movement — footwork, striking combinations, defensive slipping — all of it happening at speed, all of it unforgiving on gear that isn't built to keep up. If something was going to fail, it was going to fail on Kay.

It didn't.

The Numbers Don't Lie

Fieldtime's post-workout review asks athletes to rate performance across a range of movements on a scale of one to five. Kay scored the set across every applicable category she tested — jumping, squats, lifting, core and ab work, walking, strength training, and pilates and stretching. Across every single one, she gave a five out of five.

That's not a marketing talking point. That's a world champion, mid-sweat, evaluating gear the same way she evaluates everything in her athletic life — with precision and zero tolerance for anything that slows her down.

The One Question That Says Everything

One of the most telling questions on Fieldtime's review form is deceptively simple: During your workout, did you need to adjust the sports bra or shorts at all?

Kay checked no.

For anyone who has worn the wrong sports bra through a training session, that answer carries real weight. Adjusting mid-workout isn't just annoying — it breaks focus, interrupts flow, and in a combat sports context, it can genuinely affect performance. A fighter who is thinking about her gear is not thinking about her opponent. Kay didn't have to think about her gear once.

The shorts told the same story. Kay noted that they stayed in place with no riding up, and that the waistband felt secure throughout the session. For movements like squats, kicks, and defensive footwork, a waistband that shifts or a short that creeps is more than a nuisance — it's a distraction that compounds over the course of a hard training block. None of that happened here.

What She Was Looking For

Product Review sheet filled by Kay Gentle

Kay's priorities going into the test weren't passive. When asked what her number one priority is when choosing activewear, she checked four categories: support, comfort, compression, and confidence. That's the full picture of what a serious female athlete actually needs from her gear — not just one or two attributes, but all of them working together in the same piece.

Compression that sacrifices comfort becomes something you dread putting on. Support without confidence means you're still second-guessing the fit when you should be locked in. Kay needed all four boxes checked simultaneously, under real training conditions, not just while standing in a fitting room.

Fieldtime checked all four.

How She Felt Wearing It

Performance scores are one thing. How an athlete actually feels in gear is something else entirely, and it's often where activewear brands fall short. Gear can pass a movement test and still leave a woman feeling exposed, unsupported, or simply not right in her own body.

When asked how she felt wearing the set — physically and mentally — Kay checked every available option: comfortable, confident, secure, and distraction-free. That last one matters more than most brands realize. Distraction-free is the goal. It means the gear did its job so completely that Kay's mind never had to go there. She was fully present in her workout, which for a competitive athlete at her level, is the entire point.

The Support Question

For the sports bra specifically, Kay rated the support level as moderate — appropriate for training and lifting. This is an important distinction for women navigating the often confusing landscape of sports bra support levels. Not every workout calls for maximum compression, and a bra that is over-engineered for a lifting session can be just as problematic as one that isn't engineered enough. Kay's assessment suggests Fieldtime landed in exactly the right place for the type of training she put it through — firm enough to handle explosive movement, structured enough to support lifting, and comfortable enough that she never once had to reconsider the fit.

She'd Wear It Again

At the end of the review, Fieldtime asks the most straightforward question of all: Would you wear this again? Kay checked yes.

For a world champion who has worn a lot of activewear across a lot of training sessions across a career built on performing at the highest level, that answer is not automatic. It's earned. And Fieldtime earned it.

The review form Kay completed is included below. The scores speak for themselves.

Fieldtime women's activewear is available now at fieldtime.store. Kay wore a size small in both the sports bra and shorts.