A Rashguard Is Sportswear, Here’s What It Does and How to Choose One

Not all sportswear is designed for the same purpose. One example is a rash guard, a form-fitting garment made from stretchy material that is commonly used in sports such as Brazilian Jiu-Jitsu (BJJ), surfing, and swimming.

At first glance, a rash guard may look like an ordinary sports shirt. However, it has special features that help reduce skin friction, support body mobility, and provide comfort during physical activity.

Rash guards are not limited to a single type of sport. Each activity has different requirements, so you need to understand their function, type, and material characteristics before choosing one. Learn more about rash guards and how to choose the right one for your sport!

[[svrg_takeaways]]
title: Key Points:
- A rash guard is a form-fitting sports garment| designed to provide comfort and mobility during physical activity.
- Rash guards help reduce skin friction|, provide some UV protection, and keep you comfortable while exercising.
- Rash guards can be used for BJJ, swimming, surfing, gym workouts|, and various other sports.
- When choosing a rash guard,| consider the type of sport, material, size, sleeve design, and seam comfort.
[[/svrg_takeaways]]

What Is a Rash Guard?

A rash guard is a sportswear garment with a form-fitting or fitted cut that follows the contours of the body. It is generally made from stretchy material so that it can adapt to body movements during physical activity.

One of the main features of a rash guard is its lightweight and flexible material. Some products also use quick-drying material that can manage moisture, helping to keep you comfortable when you sweat or get wet.

Rash guards are available in various designs, especially long-sleeved and short-sleeved. They are commonly used in sports involving physical contact and water activities, such as Brazilian Jiu-Jitsu (BJJ), surfing, and swimming.

The difference between a rash guard and a sports shirt lies in their cut and function. A rash guard fits more closely to the body to reduce resistance to movement, while a sports shirt is generally looser.

The Functions of a Rash Guard for Sports

Rash guards serve several functions that support comfort and the body's needs during exercise. Here are four of their main functions.

1. Reduces Skin Friction and Irritation: A rash guard provides an extra layer of fabric that helps reduce skin friction against mats, surfaces, or an opponent's body during exercise.
2. Provides Additional Sun Protection: Rash guards with UPF features help protect the skin from ultraviolet exposure, especially during outdoor activities.
3. Supports Freedom of Movement: The stretchy material of a rash guard follows the body's shape and movements, so it does not easily interfere with activities such as grappling, swimming, or weight training.
4. Maintains Comfort During Exercise: Lightweight, quick-drying material that can manage moisture helps keep the body comfortable during physical activity.

Read also: The Importance of Choosing the Right Sportswear for You

What Sports Can You Use a Rash Guard For?

1. Rash Guards for BJJ (Brazilian Jiu-Jitsu)

Rash guards are commonly used for BJJ and grappling practice. These sports involve physical contact and frequent changes in body position.

Their form-fitting cut helps reduce excess fabric. This design also reduces the risk of clothing being pulled or snagged during practice.

2. Rash Guards for Swimming

Rash guards can be used for swimming in pools or open water. This garment provides an extra layer to protect the skin.

Choose stretchy, quick-drying material. Also consider UPF features for sun protection.

3. Rash Guards for Surfing and Water Sports

Rash guards help reduce skin friction against surfboards. They also provide additional protection during outdoor activities.

Choose stretchy, quick-drying material. UPF features are also important for water activities under the sun.

4. Rash Guards for Gym and Physical Exercise

Rash guards are suitable for strength training and functional training. Their cut helps reduce excess fabric when moving.

Stretchy material supports freedom of movement. Its lightweight construction also helps maintain comfort during workouts.

Read also: 5 Best Types of Sportswear Materials You Should Know

The Difference Between Long-Sleeved and Short-Sleeved Rash Guards

Rash guards are available in two designs: long-sleeved and short-sleeved. Here are the differences between the two types.

Generally, choose a long-sleeved rash guard if you need broader skin protection. Meanwhile, a short-sleeved rash guard can be a good choice if you prioritize comfort and freedom of movement in the lower arms.

Read also: 4 Best Anti-UV Jackets 2026 for Your Outdoor Activities!

How to Choose the Right Rash Guard

1. Match It to the Type of Sport

First, determine the type of activity you will be doing. A rash guard for BJJ should have stretchy material and seams that support activities involving a lot of physical contact.

Meanwhile, for swimming and surfing, prioritize material suitable for use in water that is quick-drying. If using it for the gym, choose clothing that is comfortable and does not restrict movement during workouts.

2. Choose Stretchy, Quick-Drying Material

Material is one of the important factors when choosing a rash guard. Polyester and spandex or elastane are common material combinations used to create lightweight, stretchy clothing.

Polyester is lightweight and relatively quick-drying, while spandex provides stretch so the clothing can follow body movements. Check the material composition on the product label before making a choice.

3. Pay Attention to Size and Compression Level

Rash guards generally have a form-fitting cut. However, this does not mean you should choose the smallest size possible to achieve optimal function.

Choose a size that fits well without putting excessive pressure on the body. Check the size chart based on chest circumference, body length, and other measurements provided by the manufacturer.

Also, make sure the clothing does not hinder movement when you lift your arms, bend over, or perform other sports movements.

4. Consider Design and Seam Comfort

In addition to material and size, pay attention to the rash guard's seam construction. Neat seams that do not cause excessive friction can help maintain comfort during exercise.

You can also consider a long-sleeved or short-sleeved design according to your needs. Choose a style that supports your activity without compromising comfort when worn for extended periods.

Read also: 5 Recommended Men's Sportswear Items You Should Have!

How to Care for a Rash Guard to Make It Last

Proper rash guard care helps maintain the quality, elasticity, and comfort of the garment when worn. Here are four ways to care for a rash guard so it lasts longer and remains comfortable to wear.

1. Wash After Use: Immediately wash or rinse the rash guard with clean water to remove sweat, dirt, chlorine, and salt residue that accumulates after exercising.
2. Use a Mild Detergent: Choose a mild detergent when washing the rash guard and avoid bleach or fabric softeners that may affect the quality of the material fibers.
3. Avoid Hot Water and Bleach: Use water at the temperature recommended in the product care instructions so that the fabric fibers and the rash guard's elasticity are preserved.
4. Air Dry in the Shade: Dry the rash guard in a shaded area with good air circulation to avoid excessive heat that can affect the quality of the material.

Read also: 12 Ways to Care for Sportswear So It Does Not Easily Smell

SVRG Rash Guard Recommendations to Support Your Sports Activities

If you are looking for a rash guard for various sports needs, SVRG Rash Guard Long & Short Sleeve Sportswear can be one of the options. This product uses a combination of lightweight and stretchy polyester and spandex material to support freedom of movement during activities.

In terms of comfort, this rash guard has good breathability, so it does not easily become stuffy when worn. The material is also quick-drying and sweat-wicking, helping to maintain comfort during workouts.

SVRG offers two design options: long-sleeved and short-sleeved, in sizes XS to XXL. This product also features UV protection, making it a good option for outdoor sports activities.

Weighing 200 grams, the polyester and spandex combination makes this rash guard lightweight and stretchy. Its quick-drying, sweat-wicking, and UV protection features support comfort while exercising.

Read also: 7 Mistakes to Avoid When Choosing Sportswear

Choose the Right Rash Guard to Support Your Workouts

Rash guards help reduce friction, support freedom of movement, and maintain comfort during exercise. The right material, size, and design should be chosen according to your activity needs.

To keep workouts comfortable, wear sportswear that supports every movement. Make sure the rash guard you choose is suitable for the type of sport and your skin protection needs.

Complete your activewear needs with SVRG Rash Guard Long & Short Sleeve Sportswear, available in long-sleeved and short-sleeved options. Find the right choice in SVRG's collection of men's activewear and best women's activewear.

[[svrg_faq]]
title: Rash Guard FAQs
- q: Is a rash guard the same as a compression shirt?
a: Not entirely. A rash guard is designed to reduce friction and support sports activities, while a compression shirt focuses more on muscle compression.
- q: Can a rash guard be used as a swimsuit?
a: Yes. A rash guard can be used for swimming as long as the material is suitable for water activities and comfortable when wet.
- q: Should a rash guard be worn tight against the body?
a: Yes, rash guards generally have a form-fitting cut. However, the size should not be so tight that it restricts movement or breathing.
- q: Can a rash guard be used for gym workouts?
a: Yes. A rash guard can be used for weight training, cardio, and other physical activities because it supports freedom of movement.
 - q: Do all rash guards offer UV protection?
a: No. UV protection depends on the material and product specifications. Check the UPF rating to determine the level of protection.
[[/svrg_faq]]