The Mrx brand has been a pioneer in sports and wear design and technology. These men's lightweight, high-performance compression shorts offer excellent elasticity and a tight fit that feels like a second skin. They help prevent skin chafing and irritation whether you are at the gym or out for a run, keeping you comfortable all day long.
The polyester fabric provides better compression while still allowing your skin to breathe. It helps sweat and moisture quickly spread out and evaporate, keeping your thighs dry and cool. The spandex makes the shorts elastic and tight, which helps reduce energy loss caused by muscle movement. It also promotes blood circulation and helps relieve muscle fatigue.
The 4-way stretch and ergonomic streamlined design fit perfectly around your thighs. These shorts offer excellent support for athletic activity, work, or everyday wear.
Size Guide:
• Small (30"-32")
• Medium (32"-34")
• Large (34"-36")
• X-Large (36"-38")
• Xx-Large (38"-40")
All sizes are in inches.
Fabric Contents:
• 85% Polyester
• 15% Spandex
Care Instructions:
• Machine washable
What fabric are these compression shorts made from, and why does it matter for performance?
These shorts are made from 85% polyester and 15% spandex — and that combination is doing a lot of work. The polyester pulls sweat away from your skin and helps it evaporate fast, so you stay dry and cool even during intense sessions. The spandex gives you that snug, second-skin fit that moves with you, reduces muscle vibration, and helps fight off fatigue. Whether you're lifting, running, or just grinding through a long day, the fabric is built to keep up.
Will these shorts cause chafing during long runs or high-rep workouts?
That's exactly what they're designed to prevent. The tight, form-fitting cut sits flush against your skin, eliminating the friction that causes chafing and irritation. If you've dealt with inner-thigh rubbing during runs or leg day, these are worth trying — the smooth, stretchy material creates a barrier that moves with you rather than against you.
How do I know which size to order?
MRX keeps it straightforward — all sizes are based on waist measurements in inches. Small fits 30"–32", Medium fits 32"–34", Large fits 34"–36", X-Large fits 36"–38", and XX-Large fits 38"–40". If you're between sizes, sizing up will give you a more comfortable fit while still maintaining compression.
Are these shorts only for the gym, or can I wear them for other activities?
These work well beyond the gym. The 4-way stretch and ergonomic design make them a solid choice for running, cycling, sports, or even wearing under work clothes if you're on your feet all day. The compression supports blood circulation and reduces muscle fatigue, which is just as useful during a long shift or a travel day as it is during a workout.
How should I wash these to keep them in good shape?
Good news — they're machine washable, so no special treatment needed. To extend the life of the fabric and keep the compression intact, washing on a gentle cycle with cold water and skipping the dryer when possible is the way to go. High heat can break down spandex over time, so air drying is your best bet for keeping that snug fit long-term.
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DESCRIPTION
The Mrx brand has been a pioneer in sports and wear design and technology. These men's lightweight, high-performance compression shorts offer excellent elasticity and a tight fit that feels like a second skin. They help prevent skin chafing and irritation whether you are at the gym or out for a run, keeping you comfortable all day long.
The polyester fabric provides better compression while still allowing your skin to breathe. It helps sweat and moisture quickly spread out and evaporate, keeping your thighs dry and cool. The spandex makes the shorts elastic and tight, which helps reduce energy loss caused by muscle movement. It also promotes blood circulation and helps relieve muscle fatigue.
The 4-way stretch and ergonomic streamlined design fit perfectly around your thighs. These shorts offer excellent support for athletic activity, work, or everyday wear.
Size Guide:
• Small (30"-32")
• Medium (32"-34")
• Large (34"-36")
• X-Large (36"-38")
• Xx-Large (38"-40")
All sizes are in inches.
Fabric Contents:
• 85% Polyester
• 15% Spandex
Care Instructions:
• Machine washable
FAQ
What fabric are these compression shorts made from, and why does it matter for performance?
These shorts are made from 85% polyester and 15% spandex — and that combination is doing a lot of work. The polyester pulls sweat away from your skin and helps it evaporate fast, so you stay dry and cool even during intense sessions. The spandex gives you that snug, second-skin fit that moves with you, reduces muscle vibration, and helps fight off fatigue. Whether you're lifting, running, or just grinding through a long day, the fabric is built to keep up.
Will these shorts cause chafing during long runs or high-rep workouts?
That's exactly what they're designed to prevent. The tight, form-fitting cut sits flush against your skin, eliminating the friction that causes chafing and irritation. If you've dealt with inner-thigh rubbing during runs or leg day, these are worth trying — the smooth, stretchy material creates a barrier that moves with you rather than against you.
How do I know which size to order?
MRX keeps it straightforward — all sizes are based on waist measurements in inches. Small fits 30"–32", Medium fits 32"–34", Large fits 34"–36", X-Large fits 36"–38", and XX-Large fits 38"–40". If you're between sizes, sizing up will give you a more comfortable fit while still maintaining compression.
Are these shorts only for the gym, or can I wear them for other activities?
These work well beyond the gym. The 4-way stretch and ergonomic design make them a solid choice for running, cycling, sports, or even wearing under work clothes if you're on your feet all day. The compression supports blood circulation and reduces muscle fatigue, which is just as useful during a long shift or a travel day as it is during a workout.
How should I wash these to keep them in good shape?
Good news — they're machine washable, so no special treatment needed. To extend the life of the fabric and keep the compression intact, washing on a gentle cycle with cold water and skipping the dryer when possible is the way to go. High heat can break down spandex over time, so air drying is your best bet for keeping that snug fit long-term.
No FAQs match your search.
EARN REWARDS
All purchases accumulate points which be can used to redeem for discounts on all items in our rewards collection. Enroll or view your current rewards balance here.
Earn 40 points for every $1 spent equaling 5% cash back
Recommended Thickness
6mm:
General-purpose for home fitness
8mm:
Home + light commercial use. Suitable for functional trainers, squat racks, treadmills
9mm:
Popular in commercial gyms, ideal for CrossFit & heavier dropsMost Popular
12mm:
Heavy-duty, great for Olympic lifting zones
18mm:
Industrial strength, used for powerlifting & stables
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