Are You Supposed To Wear Underwear With Running Shorts? (Find Out!)

Last Updated on October 3, 2023 by Alex PT

Wearing underwear with running shorts is optional. According to a survey of runners, 55% of runners prefer to wear underwear with running shorts, while 45% prefer to run without underwear. Ultimately, the decision of whether or not to wear underwear with running shorts is up to you.

Are you supposed to wear underwear with running shorts?

wear underwear with running shorts
  1. Built-in Support

Most running shorts come equipped with a built-in lining or inner brief. Created to provide support and comfort, the lining eliminates the need for additional underwear. The design intends to reduce chafing by minimizing material and removing the seams which potentially cause discomfort during running.

  1. Chafing

A prime concern for runners, chafing occurs when there is persistent friction from body parts or clothing. Wearing underwear adds an extra layer that may rub the skin, potentially leading to uneasiness during and after running. However, well-fitted and moisture-wicking underwear can mitigate this issue.

  1. Personal Preference and Comfort

Personal comfort is paramount when choosing what to wear during running. Some people find great comfort in wearing underwear beneath running shorts, whereas for others, the built-in lining suffices. One’s decision depends heavily on individual preferences concerning comfort and support.

  1. Hygiene Considerations

There might be hygiene-related issues when deciding to go without underwear while running. Some argue that wearing underwear can help provide an extra layer of protection. On the contrary, certain types of underwear can trap sweat and bacteria, leading to potential infections.

  1. Breathability

Underwear made from non-breathable fabric could cause discomfort and overheating. Running shorts, and particularly their built-in liners, typically consist of breathable materials designed for optimal ventilation.

  1. Running Performance

Although a minimal consideration, an extra layer of fabric can adversely affect your running performance. Unnecessary frills and layers could lead to unwanted distractions impacting focus and comfort levels. However, the performance difference is generally marginal, making it a minor factor in the decision.

ConsiderationWith UnderwearWithout Underwear
Built-in SupportNo NeedBenefit
ChafingPossible RiskReduced
Personal Preference and ComfortVariesVaries
HygienePossible BenefitPossible Risk
BreathabilityDepends on FabricBenefit
Running PerformanceMinor ImpactMinor Benefit

In conclusion, whether or not to wear underwear with running shorts comes down to personal preferences, comfort, and the type of running shorts one chooses. It’s essential to experiment and find out what suits you best individually.

Few reasons to avoid underwear when running

While some runners prefer to run in their underwear, other avid joggers find it far less comfortable than wearing running shorts or a pair of leggings. Here are a few reasons why you should try going commando while running – no matter which type of shorts you decide to wear today! 

Stops chafing

Going commando while you run is important because it prevents unnecessary chafing and friction which in turn reduces your risk of rashes on your genitals or around the thighs. Cotton underwear can contribute to infections in this area as well. Wearing skin-tight pants or shorts means that not wearing undergarments will be very comfortable.

Increased hygiene

It’s important to invest in some good quality underwear for your running routine. Cotton is not a great fabric for this as it does not allow moisture to evaporate as quickly, meaning that sweat can linger and lead to chafing and blistering. This can happen especially with women who are prone to yeast infections. So try switching it up and opting for more natural fabrics like bamboo or buy a pair with the right level of elasticity, such as light spandex, so they stay in place while you run longer distances to help keep you cool and fresh throughout your workout. The looser your shorts the better it is for reducing their chances of coming into contact with your skin – something you’ll want to avoid in order to prevent any unwanted pain!

Improved breathability

Running can be sweaty and it’s important to find clothes that provide airflow when exercising. The easiest way to keep cool is by shedding layers of clothes like with shorts and leggings, or allowing the breeze through your clothing will keep you cool while running.

When should You wear underwear with running shorts?

You should wear underwear with running shorts if:

  • Your running shorts do not have a built-in liner. A liner is a thin layer of fabric that is sewn into the inside of running shorts to provide coverage and support. If your running shorts do not have a liner, wearing underwear can help to prevent chafing and provide extra support.
  • You need extra support or coverage. If you have larger breasts or thighs, or if you are running long distances, you may want to wear underwear for extra support and coverage.
  • You are running in cold weather. Wearing underwear can help to keep you warm in cold weather.
  • You are concerned about modesty. If you are concerned about your underwear showing through your running shorts, you may want to wear a pair of high-waisted running shorts or a pair of running shorts with a built-in liner.

Advantages and Disadvantages of Wearing Underwear with Running Shorts

1. Added Support and Comfort1. Potential Chafing
2. Hygiene and Moisture Control2. Bulkiness and Overheating
3. Reduced Friction3. Extra Laundry
4. Temperature Regulation4. Personal Preference
5. Specific Needs (e.g., Compression)

What type of underwear to wear with sports shorts?

What type of underwear to wear with sports shorts

Out of all the types of underpants on the market today, it is imperative to know your health needs. You want to make sure that you’re protected from external invaders such as chafing or sweat absorption and the most important thing is making sure your undies come with the correct sizing so that you don’t risk looking like a stuffed sausage because of your woven boxers riding up your groin. We’ve found that briefs are the best type of underwear to wear when it comes to dressing for fitness class because we prefer not falling victim to wedgies or funky necklines, for example!

 If you’re looking for the best way to invest your money into something that will last and be a great long-term investment, there are many online sites that have lots of information about whether certain thongs or underwear will be suitable for running. When it comes to this sort of thing, there are so many options to weigh up as well as lots of people interested in what’s going on! So having access to advice from other runners or people who have run in these specific brands can help you make the right decision because you’ll know what will be ideal for you either based on your own personal experience or whether you like a particular brand in general.

Related Article: Are Metcons Good For Running? (Find Out Now!)

Why choose shorts that have built-in underwear?

Wearing just one pair of comfortable underwear under your running shorts is far more convenient than wearing full-cut briefs. This way you don’t have to put on running shorts over your boxers or knickers, so you only need to focus on buying a high-quality pair of running shorts.

Helps for better breathability 

Built-in underwear that is available for men and women is a great option. It allows you to perform your activities freely and keeps your entire body cool the evening through. It also helps keep moisture at bay, allowing ample air to flow in and out of the material keeping your core temperature regulated throughout the night!

Prevent over-layering of fabric.

Many people make the mistake of thinking that an underwear top is actually a shorts top. While these two products may look quite similar, the sports vest is designed entirely differently. It has a thin fabric made to be comfortable and light, so the extra layer might inadvertently lead to you feeling too hot and uncomfortable!

Absorbs moisture

Running is an excellent form of exercise, but if you’re not wearing appropriate gear, that run can take a turn for the worse. Cotton underwear being used underneath running shorts may feel luxurious, but it can also be uncomfortable as it does not do a good job of keeping sweat where it belongs – on your body! Instead, opt for advanced running shorts made with modern fabrics that do a better job of providing a barrier between skin and clothes so you don’t have to worry about chafing.

Final Words 

We’ve come to the end of this informative article. We hope you were able to find good resources in your quest to know if you are supposed to wear underwear with running shorts. If you have any questions or comments, don’t hesitate to contact us. Thanks!


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