You may notice that nowadays most athletic shorts are designed with built-in underwear or liners. But why do athletic shorts have built in underwear?
There are lots of reasons behind the built-in underwear in athletic shorts. Compared to regular underwear, athletic underwear provides more comfort, support, and freedom of movement.
Without these, there are more reasons why athletic shorts have built-in underwear. Today in this article we will show you 6 important reasons the built-in underwear is athletic shorts. So without wasting more time, let’s jump to the article.
6 Important Reasons Why Athletic Shorts Have Built-In Underwear
Although here we will talk about 6 important reasons, instead there may have some minor reasons or personal preferences. So, let’s see what the 6 important reasons are.
1. Comfort
The main and most important reason why most athletic shorts have built-in underwear is comfort. Yes, the world is competitive and all companies are trying to ensure the maximum comfort of athletes.
In addition, based on the built-in underwear, nowadays athletes are choosing the best athletic shorts. Anyway, how does built-in underwear provide comfort to athletes?
Built-in underwear provides various types of comfort. First of all, compared to regular underwear built-in underwear is breathable and moisture-wicking.
As well as breathable, built-in underwear is quick-drying and provides itching-free. That’s why most athletes prefer to wear shorts that have built-in underwear.
2. Movements Freedom
For athletes, movement freedom is the most essential thing when they wear athletic shorts. And to ensure maximum freedom for movement shorts with built-in underwear are the best option.
Because built-in underwear is designed with stretchy materials. So when you will run, hike, or play sports you won’t feel any hassle while moving.
On the other hand, if you wear regular underwear, you can’t do your regular activities hassle-free. Because regular underwear is not so stretchy and designed with more fabrics, compared to built-in underwear.
3. To Stop Riding Up
If you wear shorts regularly then you may notice that some shorts ride up frequently without any reason. Even, some athletic shorts also ride up, but why do shorts ride up? Well, there are lots of reasons why shorts ride up during walking and running.
But our today’s topic is built-in underwear in shorts. If you wear regular underwear under the shorts, then your shorts can ride up. Even if you stay commando your shorts can also ride up.
On the other hand, if your shorts have built-in underwear then they can prevent riding up. Because shorts that have built-in underwear stay in place and provide freedom for movement. So you don’t have to worry about the riding-up during your movements.
4. Maximum Breathability And Moisture-Wicking
Naturally, not all regular underwear is breathable and moisture-wicking. But if they are breathable also when you wear them under the shorts it’s very hard for regular underwear to keep you cool and fresh during the workouts.
That’s why most of the athletes stay commando and wear shorts that are designed with built-in underwear. Because built-in underwear is much more breathable than normal underwear.
5. For Support And Avoid Underwear
Yes, if you believe it or not, but most athletes don’t prefer underwear to wear with their athletic shorts. But for ball support, it’s essential to wear underwear under the sports shorts.
Additionally, considering their support athletic shorts come with built-in underwear. Which helps athletes avoid underwear and ensure maximum support at the same time.
6. To Stay Away From Chafing
Chafing and itching are common problems for an active person. Because they stay a long time under the sun with their sweaty clothes, especially underwear.
Sweaty clothes are the best place for bacteria growth. Moreover, it’s not possible also to stay commando for maximum comfort. That’s why shorts with built-in underwear is the best option for them.
Because built-in underwear is made from less and quick-drying fabrics. That’s why when you do your workouts and regular activities for the whole day, you should choose shorts that have built-in underwear.
Why Do Running Shorts Have Built In Underwear
Having built-in underwear inside of running shorts is so common at present. But if we take a look at 20 years ago from the present, we can see almost no shorts had built-in underwear.
But, nowadays, some shorts have built-in underwear, especially running or athletic shorts. The main reasons why runners wear built-in underwear shorts are comfort and support. Anyway, let’s take a look at these reasons behind the built-in running shorts.
- Built-in underwear provides ultimate comfort to the runners
- Built-in underwear is breathable and moisture-wicking which keeps the runner cool and fresh for a long time
- Compared to other shorts, shorts that have built-in underwear are itching and chafing-free
- Shorts which have built-in underwear are supportive
- For better movements during running, built-in underwear is the best option
These are the reasons why running shorts have built-in underwear. And these are the same reasons why running shorts have liners.
Why Do Athletes Wear Leggings Under Shorts
Well, you may notice that some athletes wear leggings under their shorts, but why? Because they love to wear them to ensure support and comfort.
Moreover, because of the same reasons means to support and comfort some guys wear compression shorts under swim trunks. Anyway, here in this part we will discuss the main reasons for wearing leggings under shorts.
Skin-Protection:
During the summer, it’s very hard to protect the skin from the sun’s heat during workouts and playing sports. Additionally, to protect the skin from burning, UV, and direct sun heat most athletes wear leggings under their shorts.
Look:
When it comes to wearing leggings under shorts look plays an important role. Yes, as well as women, some men also think a lot about how they look during workouts.
Believe it or not, when you wear leggings under your shorts, it enhances your look. On the other hand, some athletes are skinny and don’t want to show their body parts, because they feel shy.
That’s why some male athletes also wear leggings under their shorts, and truly leggings make them look attractive.
Support:
You may ask me which kinds of support leggings provide under the shorts. Well, the answer will be the same support what women’s bra provides.
Yes, some people think that leggings are very supportive, especially for workouts and outdoor activities. That’s why they wear leggings with their shorts.
Comfort:
Comfort varies from person to person, but some people indeed find comfort in leggings. It’s not only about some people, leggings are actually comfortable to wear.
Even, for shy women leggings increase their confidence during workouts. Anyway, to protect the skin, keep the skin away from dirt and dust, and ensure comfortable workouts, some athletes wear leggings with their shorts.
Movements:
Leggings are so stretchy, and won’t cause any problems with the movements. You can freely move when you wear a legging.
Especially if you are outside of the house during the winter, a good pair of leggings would be a good choice for you.
Warmth:
This is one of the biggest reasons why athletes wear leggings with their athletic shorts and that is to keep themselves warm during the cold weather and winter.
Yes, it’s not so easy to do workouts in winter wearing shorts. But, still, some white people wear shorts in winter, but why? The reason is they are used to winter.
Anyway, leggings are very effective against winter. Especially if your leggings are made from cotton and wool then you don’t have to worry about coldness.
On the other hand, leggings are not like trousers or pants, leggings provide movement freedom. So athletes are getting freedom, and comfort, and keeping themselves warm at the same time. That’s why athletes wear leggings in winter under their workout shorts.
Why Do Some Shorts Have Built In Underwear
Well, we already told you why athletic shorts have built-in underwear including running. Additionally, in this part, we will tell you why some shorts have underwear inside them.
Well, the reasons are almost the same, so let’s see what the reasons are.
- To ensure the comfort of the consumers
- Avoid normal underwear, because built-in underwear is quick-drying
- To provide support to the users
- Built-in underwear is chafing and itching-free
- Shorts that have built-in underwear provides freedom for activities and movements
Final Words
Now it’s clear to you, why do athletic shorts have built in underwear? We hope this article will help you to know the facts about having built-in underwear in shorts.
In this article, we also told you why some people wear leggings underwear their shorts. We hope, now you understand the reasons, and after rearing it you may also wear leggings under your shorts.
Moreover, now it won’t be any problem of yours to wear shorts which have built-in underwear.

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