What to wear to reformer pilates (and what to skip)
Half the anxiety of a first reformer class has nothing to do with the machine — it's standing in front of the wardrobe wondering whether everyone else will be in matching sets. Deep breath. There are exactly four rules that matter, one ambush to avoid at the studio desk, and a long list of things you absolutely do not need to buy.
The short answer
Wear a fitted top, high-waisted leggings or longer bike shorts, and grip socks. Skip anything baggy, anything with zips, and your jewellery. That's it — everything below is the reasoning, so you can make your own calls.
The four rules that actually matter
- Fitted, not baggy — this one is safety. The reformer is a moving carriage with exposed springs and straps. Loose fabric can genuinely catch, and it also hides your alignment, which is the main thing your instructor is watching to keep your back happy.
- High-waisted bottoms. You'll spend a lot of the class lying down, curling up, or upside down. Low-rise anything turns every roll-down into a wardrobe negotiation.
- If shorts, longer shorts. Several classic exercises put your feet in straps with your legs above your head. Bike-short length keeps you thinking about your breathing instead of your hems.
- No zips, poppers or embellishments. They scratch the carriage upholstery (studios will quietly hate you) and dig into your spine when you're lying on the bed.
The grip-sock ambush
Here's the one nobody warns beginners about: at most UK studios, grip socks are required, not optional — partly hygiene, partly because the footbar and carriage are slippery exactly when you're trying to stabilise. Forget them and the studio will cheerfully sell you a pair at the desk for £10–25. Do that twice and you've paid more for socks than for the class.
Grip socks are the only genuinely mandatory purchase in reformer pilates. Everything else in your feed is marketing.
Which socks are worth it? We're testing exactly that question — the £12 pairs against the £30 ones — for a dedicated review. Short version for now: any pair with full-sole grip and a snug heel does the job for your first classes.
What you don't need
- A £120 matching set. Nobody is judging you, and the person on the next carriage in the designer kit is concentrating too hard on her breathing to notice yours.
- Trainers. You'll never wear shoes on the machine.
- A mat. The carriage is the mat.
- Jewellery. Rings and bracelets meet straps and handles roughly forty times per class. Leave them home.
The checklist: fitted top · high-waisted leggings or longer bike shorts · grip socks in your bag · hair up · water bottle. Total new money required if you already own gym kit: the socks.
Honesty note: this guide is cross-checked from UK studio policies and the collective wisdom of people who actually go — not from a brand deal. When we personally test specific brands, we'll tell you exactly which ones and why.
Quick answers
Do you need grip socks for reformer pilates?
At most UK studios, yes — they're required, not suggested. The carriage and footbar are slippery, and socks are also a hygiene rule. If you forget them, the studio will sell you a pair at £10–25 at the desk, so bring your own.
Leggings or shorts for reformer pilates?
Either works if they're fitted. If you choose shorts, go for longer bike-short styles — several exercises put your legs in straps above your head, and tiny shorts stop being fun at that exact moment.
Can you wear jewellery or clothes with zips?
Best not to. Zips, poppers and heavy seams can scratch the carriage upholstery, and rings or bracelets get awkward with the straps and handles. Keep it clean and soft.
Do you need special clothes for your first class?
No. A fitted top and high-waisted leggings you already own, plus grip socks, is genuinely the complete list. Buy the fancy set after you know you love it.
Sources
- UK studio kit & grip sock policies — Form Fitness, Vitalis Studios, Club Pilates
- What to wear guidance — The Pilates Circuit, BK Pilates
- Marie Claire UK — pilates socks group test, 2026