Running in Comfort: Wearing Underwear with Running Shorts

Amy Jul 20, 2026

If you're an avid runner, you're likely always on the lookout for the perfect attire to maximize comfort and performance. One common question that often arises is whether to wear underwear with running shorts. Let's delve into this topic, addressing the pros and cons, and providing some practical tips.

Should You Wear Underwear When You Have Running Shorts On? - The List
Should You Wear Underwear When You Have Running Shorts On? - The List

Firstly, it's essential to understand that the best choice depends heavily on your personal preferences, comfort, and the specific context of your run. So, let's explore the factors you should consider when deciding whether to wear underwear with your running shorts.

two women laying on the ground in sports bras and shorts, with their legs crossed
two women laying on the ground in sports bras and shorts, with their legs crossed

Reasons to Wear Underwear with Running Shorts

There are several reasons why some runners prefer wearing underwear with their running shorts.

Going Commando at the Gym Is a Good Thing, Actually
Going Commando at the Gym Is a Good Thing, Actually

Chafing Prevention

Running shorts are typically made from thin, quick-drying fabrics to keep you cool and comfortable. While these materials are excellent for preventing sweat buildup, they can lead to chafing, especially when there's direct skin contact with the seams or waistband of your shorts. A good pair of underwear can help minimize this discomfort by acting as a barrier.

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For instance, moisture-wicking underwear made from materials like synthetic blends or merino wool can help keep your skin dry, reducing the likelihood of chafing and irritation.

Support and Compression

Some runners appreciate the additional support and compression that underwear can provide, helping to keep everything in place during high-impact activities. This can be particularly beneficial for those with a larger frame or who have had issues with discomfort or bruising in the past.

If You're A Runner, These Are The Only Underwear Worth Buying
If You're A Runner, These Are The Only Underwear Worth Buying

Compression underwear designed for running or athletic activities can provide targeted support and help improve blood flow, enhancing your performance and reducing recovery time.

Reasons to Skip Underwear with Running Shorts

While wearing underwear with your running shorts has its advantages, there are also valid reasons why some runners choose to go commando.

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Save if u love chicken leg shorts

Chafing Risks

Believe it or not, wearing underwear can sometimes exacerbate chafing issues. If the fabric of your underwear isn't compatible with your shorts or your skin, it can cause unnecessary rubbing, leading to discomfort or irritation.

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Las máquinas fitness ideales para potenciar tus resultados en el gimnasio
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a woman jumping up in the air with a basketball on her hand and wearing shorts
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Gone are the days of squeezing into uncomfortable underwear
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How Long Does it Take to Train for a Half Marathon? (To Run it Well!) - Ready.Set.Marathon.
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Why Working Out Without Underwear Is a Good Idea, According to an Ob-Gyn

Moreover, if your underwear is too tight or doesn't fit well, it can push against sensitive skin, creating pressure points that may cause discomfort during long runs.

Hygiene and Moisture Management

Running generates heat and sweat, which can lead to moisture buildup in your nether regions. Wearing underwear can sometimes trap this moisture, creating an environment conducive to bacterial growth and leading to potential skin issues or infections.

By going commando, you allow for better air circulation, helping to keep the area dry and preventing the growth of bacteria. Furthermore, many running shorts today are designed with built-in liners or seamless designs that provide adequate coverage and protection without relying on additional underwear.

Finding the Perfect Balance

With both sides presenting compelling arguments, it's clear that the decision to wear underwear with running shorts ultimately comes down to individual preferences and circumstances. Here are some tips to help you find the perfect balance:

Material Matters

When choosing underwear to wear with your running shorts, opt for moisture-wicking fabrics like synthetic blends, merino wool, or bamboo. These fabrics help keep you dry and comfortable by pulling moisture away from your skin.

Additionally, consider seamless designs to minimize chafing and pressure points. Look for underwear with flat, minimalist seams or no seams at all to ensure maximum comfort during your run.

Test Before You Invest

Don't automatically assume that the underwear you wear daily will work seamlessly with your running shorts. Take the time to test different pairs during your training sessions to determine what works best for you.

Pay close attention to any discomfort, chafing, or irritation, and adjust your choice of underwear accordingly. It may take some trial and error to find the perfect pair, but the effort will be well worth it in the long run.

Ultimately, the key to finding the perfect running attire is to listen to your body and choose the gear that keeps you comfortable, supported, and confident during your workouts. So whether you opt for underwear with your running shorts or prefer to go commando, trust your instincts and make the choice that feels right for you.