What to Wear Under a Wrestling Singlet: Parent Guide

If your child just got their first singlet, you're probably wondering what to wear under a wrestling singlet — and whether anything goes underneath at all. It's one of the most common questions new wrestling families ask, and the answer is simple once you know the rules. This guide walks you through what your young wrestler can wear beneath the singlet, what's required, what's optional, and what to skip so they're comfortable and confident on the mat.

A singlet is the one-piece uniform wrestlers wear during matches. It's stretchy, close-fitting, and cut high on the legs so it doesn't interfere with grips. Because it fits like a second skin, first-time families often assume kids are meant to go bare underneath — but that's not the case for most young wrestlers, especially at the youth level.

The short answer

For most youth wrestlers, the standard setup is:

• Boys: compression shorts underneath, and sometimes a plain undershirt on top
• Girls: a sports bra plus compression shorts, or a fitted one-piece base layer

Compression shorts are tight, stretchy shorts that sit under the singlet without bunching. They give a layer of coverage, help with comfort, and reduce chafing. Most young wrestlers wear them from their very first practice.

The rest of this guide gets into what's actually required, what's just preferred, and how to help your kid feel confident in the outfit.

What the rules actually say

Youth wrestling rules vary a little by organization — USA Wrestling, folkstyle scholastic rules, and freestyle events all have their own uniform sections. But at the youth level, three general rules apply almost everywhere:

1. Compression shorts are allowed under the singlet. They should be tight-fitting, short (not extending past the singlet's leg line), and a solid color when possible.
2. A t-shirt or undershirt is allowed for wrestlers who prefer more coverage. Usually it needs to be a plain, tight-fitting shirt in a neutral color — not a loose cotton tee.
3. Girls' base layers are explicitly allowed. A sports bra, compression top, or one-piece base layer worn under a singlet is standard and accepted.

If you're wrestling in a specific league (AAU, USAW state series, a local youth folkstyle circuit), skim their rulebook once at the start of the season so you know what's allowed. When in doubt, ask your coach — they see what other kids on the team wear and can confirm what's normal at your events.

For a quick refresher on how tournaments actually run, our first tournament guide walks through weigh-ins, check-in, and match flow.

For boys: what to wear underneath

Most boys wear compression shorts under the singlet and nothing else on top. That's the default at practice and matches.

Some also wear an undershirt — usually a plain, fitted athletic top — for two reasons:

• Comfort: the singlet fabric can feel scratchy against skin during long tournament days
• Modesty: older kids especially may prefer more coverage on the shoulders and back

If your son wants to wear an undershirt, pick one that's:

• Tight-fitting (a loose shirt bunches up during scrambles)
• Short-sleeved or sleeveless (long sleeves interfere with grips)
• A plain, dark color like black, gray, or navy

Boxer briefs or regular underwear under compression shorts are optional. Some boys wear them, some don't — it comes down to preference. Just avoid loose boxers, which shift around and show through the singlet.

For girls: what to wear underneath

Girls' wrestling is one of the fastest-growing sports in the country, and the base-layer conversation has gotten a lot easier as the sport has grown. Most girls wear:

• A sports bra — this is standard from about age 10 or 11 and up, or whenever your daughter starts wanting one
• Compression shorts — same as the boys, worn snug under the singlet
• Optionally, a fitted long-line sports bra or crop-style athletic top for more torso coverage

Some girls prefer a one-piece base layer (like a tight-fitting sleeveless leotard or wrestling base) worn under the singlet for full coverage. That's completely allowed and increasingly common.

If your daughter is on a mixed team or worried about being the only girl on the mat, know that these base-layer choices are hers to make. There's no "right" combination — comfort and confidence matter more than what other wrestlers wear.

For more on getting girls started in the sport, see our girls youth wrestling guide.

Materials and fit that actually work

Not all compression shorts and base layers are made the same. A few things to look for when you're shopping for your young wrestler:

Material. Look for polyester-spandex blends (often labeled as "compression" or "performance" fabric). These wick sweat, dry fast, and stretch without losing shape. Avoid pure cotton underneath — it soaks up sweat and stays wet all day.

Length. Compression shorts should end at or just above the singlet's leg opening. Anything longer will peek out and get called by refs at some events.

Waistband. A flat, wide waistband stays put. Thin elastic waistbands roll and dig in during scrambles.

Snug — not painful. Compression gear should feel like a firm hug, not a tourniquet. If it leaves red marks after a five-minute practice, it's too tight.

Kid-sized. Adult XS is often still too long or too baggy for a small youth wrestler. Look for youth or "junior" sizing when possible.

Kids grow fast. Plan on replacing base layers once or twice a season — same as you would with wrestling shoes. Our gear checklist covers what else belongs in a young wrestler's bag.

What to skip

A few things to leave out from under a singlet:

• Loose boxers, briefs with prints, or bright underwear. These often show through a light-colored singlet.
• Cotton t-shirts. Bunches, soaks up sweat, and can catch on grips.
• Long-sleeve shirts. Sleeves extending past the singlet's shoulder line aren't allowed in most rulesets.
• Anything with zippers, snaps, or exposed metal. Rules prohibit any hard object that could injure an opponent.
• Jewelry. Wedding-style rings, necklaces, earrings, and bracelets have to come off before wrestling. Newly pierced ears are a common last-minute problem — plan the piercing timing around the season.

If your child wears a religious head covering, medical alert bracelet, or has another item that can't be removed, talk to the tournament director in advance. There are usually accommodations, but they need to be arranged before match time.

Tournament day vs. practice

At practice, kids typically wear athletic shorts and a t-shirt over their compression base — not the singlet. Practice is about drilling and moving, and the singlet is saved for matches so it lasts the season.

On tournament day, wrestlers usually arrive in warm-ups (sweatpants, a hoodie) over their singlet and base layers, then peel off the warm-ups when it's their turn to wrestle. Between matches, they put the warm-ups back on to stay loose and warm.

If your child is nervous about walking around a gym in just a singlet, the warm-up layer is your friend. Most kids do the same thing.

For more on prepping for competition day, see our post on pre-match nerves.

Helping your kid feel confident in the outfit

The singlet feels weird the first few times a kid wears one. That's normal. A few things that help:

• Practice at home once or twice. Let your kid put the whole setup on and move around the living room. The first time in a singlet shouldn't be right before a match.
• Frame it as a uniform. Every wrestler in every match wears one. It's not a fashion statement — it's the sport's outfit.
• Skip the mirror talk. Don't comment on how the singlet looks. Talk about how it fits and moves instead.
• Let older kids pick their own base layers. If a sports bra style or specific compression brand makes your kid feel more confident, that's a win worth the shopping trip.

Comfort and confidence come with reps. By the third or fourth match, most kids stop thinking about the singlet at all.

Frequently Asked Questions

Do wrestlers wear underwear under a singlet?

Some do, some don't. Most young wrestlers wear compression shorts as their base layer and skip regular underwear underneath. If your kid prefers to wear briefs under the compression shorts, that's fine — just avoid loose boxers, which bunch up.

Can girls wear a sports bra under a wrestling singlet?

Yes. Sports bras under a singlet are standard and explicitly allowed in youth folkstyle, freestyle, and Greco-Roman rules. A fitted, low-profile sports bra works best. Long-line or crop-style athletic tops are also fine for more coverage.

Can my kid wear a t-shirt under a singlet?

In most youth rulesets, yes — as long as it's tight-fitting, short-sleeved or sleeveless, and a plain, neutral color. Loose cotton tees aren't allowed. Check with your coach for the specific rules of your league.

Do compression shorts have to match the singlet color?

Not usually at the youth level. Solid, dark colors are safest — black, navy, and gray work with almost any singlet. Some higher-level events require matching or specific colors, but most youth tournaments don't.

What if my kid refuses to wear a singlet?

It's a real feeling and worth taking seriously. Try adding an undershirt and compression shorts for more coverage, letting them wear warm-ups until match time, and reminding them every wrestler is in the same outfit. If the resistance sticks around for weeks, our post on when your kid wants to quit wrestling covers how to have that conversation.

Bringing it together

Under a singlet, most young wrestlers wear compression shorts, and girls add a sports bra or one-piece base layer. Undershirts are optional. Skip the cotton, the loose underwear, and anything with hard parts. Pick base layers in stretchy, sweat-wicking fabric that fits snug without pinching — and let older kids have a say in what they wear so they feel confident on the mat.

Once your wrestler is comfortable in the uniform, the singlet stops being a thing at all. Find a tournament near you on our events page and let them get some real match experience — that's where the confidence really builds.