Your first pilates class is booked. You're excited, maybe a little nervous, and standing in front of your wardrobe thinking: what do I actually wear to this?
It's a fair question. Pilates has a whole aesthetic going on and beyond the look, what you wear genuinely affects how comfortable and how safe you feel in class. Especially if you're doing reformer pilates, where you're on a moving machine and your instructor can see everything.
This guide covers exactly what to wear, what to avoid, and the one item most beginners forget that their instructor will definitely notice.
First: Does It Matter What You Wear to Pilates?
More than most workouts, yes.
Pilates involves a huge range of movements: Lying down, sitting, kneeling, standing, balancing, inverting. Your clothing needs to move with you in all directions without riding up, falling down, bunching, or restricting you. And because pilates is precision-based, your instructor needs to be able to see your alignment. Baggy clothes make that harder.
Beyond clothing, pilates - especially reformer, barre, and Lagree - is done on smooth equipment and smooth floors. What you put on your feet makes a direct difference to your grip, your safety, and your performance.
So yes: what you wear matters. The good news is it doesn't have to be complicated.
The Pilates Beginner Outfit: What You Actually Need
1. Leggings — High Waisted, Full Length or 7/8
This is the pilates girl uniform for a reason. High-waisted leggings stay in place through every movement: No sliding down during roll-ups, no exposure during leg circle variations. They also support your core visually, which helps your instructor assess your alignment.
What to look for:
- High waistband (at least 3–4 inches) that doesn't roll down
- Four-way stretch fabric that moves with you
- Squat-proof - you'll be in positions where this matters
- Full length or 7/8 - both work well for pilates
What to avoid:
- Low-rise leggings - they slide down constantly and you'll spend the whole class adjusting
- Thick gym leggings designed for running - they restrict movement and overheat quickly
- Leggings with zips, large seams, or hardware - uncomfortable on the reformer carriage
2. A Fitted Top — Crop, Tank or Long Line
The same principle applies to your top: it needs to stay put. Loose t-shirts ride up during mat work, get in the way on the reformer, and make it genuinely harder for your instructor to see your spine and shoulder positioning.
What works well:
- Fitted crop top or bra top for warmer studios
- Fitted tank or long-line top if you prefer more coverage
- Ribbed or stretchy fabric that moves with your arms overhead
What to avoid:
- Oversized t-shirts or hoodies - they'll be in your way constantly
- Anything with a loose neckline - it falls forward during any forward fold or prone position
- Stiff fabrics that restrict your arm range of motion
You don't need to buy anything new if you have fitted workout gear already. The key word is fitted, not tight - you want freedom of movement, not restriction.
3. A Light Layer for Before and After
Studios can be cool before class starts, especially reformer studios where the equipment is often metal. A zip-up hoodie, light jacket, or oversized cardigan for before and after is worth having in your bag. You'll take it off for class but you'll be glad you had it.
4. ⭐ Grip Socks: The One Thing Most Beginners Forget
This is the big one. And it's the item beginners are most likely to show up without.
Almost every reformer, barre, and Lagree studio requires grip socks. Not recommends - requires. If you show up without them, most studios will ask you to buy a pair at the front desk (usually at a significant markup) or won't let you participate.
But beyond the rules, grip socks are genuinely important. Pilates equipment is designed to be smooth. Without grip, your feet slide - on the footbar, on the carriage, on the mat. That affects your alignment, your muscle activation, and your safety.
What makes a good grip sock for beginners:
- Full sole coverage (grip dots across the entire bottom - toe to heel)
- Snug fit that doesn't bunch or shift during movement
- Breathable fabric that stays comfortable through a 50-minute class
- A crew or mid-ankle cut that stays in place
The Pilates Princess Grip Socks are the go-to for first-timers — designed specifically for reformer and mat pilates, instructor-tested, and rated 5.0 stars by thousands of pilates girls who started exactly where you are now.
If you want to match the moment, the Balletcore Pink and Peachy styles are first-class-worthy. Or browse the full collection and pick the vibe that speaks to you.
5. A Hair Tie (Two, Actually)
This sounds obvious but it's worth saying. Pilates involves lying on your back, rolling, and positions where your head is on the carriage or mat. A bun that's too high is uncomfortable. Long hair loose gets in your face during any forward fold or prone work.
A low bun or low ponytail is the pilates standard. Bring a spare hair tie - it's one of those things that snaps at the worst possible moment.
What NOT to Wear to Pilates
Shoes: Pilates is always done barefoot or in grip socks. Leave the trainers in your bag or at the studio entrance.
Jewellery: Rings can scratch reformer equipment. Necklaces fall forward into your face during any prone work. Long earrings get caught. Keep it minimal — small studs at most.
Heavy perfume or strong fragrance: Studios are enclosed spaces with recycled air. Many pilates communities have informal no-heavy-fragrance norms, and some studios have explicit policies. Light or none is safest.
Brand new, unwashed clothing: New workout gear often has a stiffness or coating that softens after the first wash. Wear new items once at home before class so you know how they feel and move.
Shorts: Possible for mat pilates but awkward on the reformer. The carriage surface and straps contact your legs constantly, and shorts can ride up uncomfortably. Leggings are the far more practical choice.
Regular socks: See above. Studio floors and equipment are smooth. Regular socks provide zero traction and are a genuine safety issue, especially on the reformer.
Reformer vs Mat Pilates — Does Your Outfit Change?
Slightly, yes.
Reformer pilates: Fitted clothing matters more here because you're on a moving carriage and the instructor needs to see your spine, hips, and shoulder alignment clearly. Grip socks are non-negotiable. Avoid anything with back hardware (clasps, metal details) that would press into the carriage.
Mat pilates: A little more flexibility, but the same basics apply - fitted, breathable, stays in place. Grip socks are still strongly recommended even if not always required, because mat surfaces can be slippery, especially in a shared studio.
Barre: Same as reformer for clothing. Grip socks are essential - barre involves relève work and balance sequences where foot grip is critical. The Balletcore Pink Pilates Grip Socks were genuinely designed with barre in mind.
Lagree / Megaformer: The most intense format — go for your most secure, best-fitting workout gear. Lagree is fast-paced and you don't want anything shifting mid-sequence. Secure grip socks are especially important here.
Your First Class Checklist
Print this, screenshot it, or just read it the night before:
✅ High-waisted leggings (full length or 7/8)
✅ Fitted crop top, tank or long-line top
✅ Light layer for before and after
✅ Grip socks (full coverage, snug fit) - don't forget these
✅ Hair tie (bring two)
✅ Water bottle
✅ Small towel (some studios provide these, some don't - worth having)
✅ Arrive 10–15 minutes early to get oriented
That's genuinely everything you need. Pilates doesn't require a full kit overhaul - just the right basics.
A Note on the Pilates Aesthetic (It's Real, But It's Not the Point)
If you've spent any time on pilates TikTok or Instagram, you know the aesthetic is very much a thing. The matching sets, the scrunchie socks, the matcha-coded everything.
And honestly? It's fun. Getting dressed for pilates in something you love makes you more likely to go, more likely to enjoy it, and more likely to keep going. That's not vanity - that's just how humans work.
But the aesthetic follows the function. The real reason pilates girls dress the way they do — fitted, breathable, with great grip socks - is because that's what works best for the workout. The fact that it looks good is a bonus.
Start with what works. The rest follows naturally.
FAQs From First-Timers
Do I need to buy special pilates clothing or can I wear regular gym clothes? Regular gym clothes are completely fine as long as they're fitted and stretchy. You don't need to buy anything new except grip socks, which are essential and can't really be substituted.
What if I forget my grip socks? Most studios sell them at the front desk - but you'll usually pay more than you would buying in advance, and the quality varies. Order a pair before your first class so you're sorted from day one. Pilates Princess ships fast — you can have them before your first class.
Can I wear shorts instead of leggings? For mat pilates, yes. For reformer, it's technically possible but not recommended - the carriage and straps contact your legs throughout class and it gets uncomfortable quickly. Leggings are the better choice.
Is there a dress code at pilates studios? Most studios don't have a formal clothing dress code beyond grip socks (which are usually required). Some upscale studios prefer fitted clothing for the alignment-visibility reasons above, but it's rarely enforced strictly for beginners.
What size grip socks should I get? Check the size guide on the product page and choose based on your foot measurement. When between sizes, most pilates instructors recommend sizing down for a snugger fit - a sock that's slightly too large will shift during class.
I'm nervous about my first class - any advice? Completely normal. Every single person in that studio had a first class. Tell your instructor before class that it's your first time — they'll keep an eye on you, give you modifications, and make sure you're safe. Pilates communities are genuinely welcoming. Wear something comfortable, bring your grip socks, and focus on feeling the movements rather than doing them perfectly. That's it.
You're More Ready Than You Think
First classes always feel more daunting than they are. Pilates is one of the most beginner-friendly workouts out there - it's low-impact, precision-focused, and instructors are trained to work with every level.
Get your grip socks sorted, throw on your favourite fitted leggings, and go. Everything else you'll figure out in the first five minutes.
Shop grip socks for your first class →
Pilates Princess is a grip sock brand built for the pilates community — from first-timers to certified instructors. Rated 4.9–5.0 stars by 10,000+ pilates girls. Free delivery on orders over $50.