Benefits for You
When the going gets tough, Virus will be there every step of the way. Each piece is built from durable fabric that maintains its shape under pressure and is as tough as you are.
Performance and comfort go hand-in-hand. Virus sports apparel is made out of premium soft, stretchy fabric so you can feel good and perform even better.
Designed for the competitive journey. Virus gear is battle-tested at the highest levels of competition so you can count on it to hold up to the most rigorous conditions.
Testimonials
The KL1 Active Recovery Pant is great for everyday wear. Light enough that on warmer days they're not too hot. These are my second pair, liked the first pair so much I bought them again in a different color.
Very functional and comfortable! They’re Awesome! Right out of the bag, I knew these pants will be functional in everything I do. Also so comfortable and stylish. I wear these almost everyday. they’re the best !! I highly recommend Virus products!

Bio-Flex Fabric
Infused with Bioceramic™, our Bio-Flex fabric is extra durable to endure the most rigorous conditions. The soft, stretchy build delivers versatility and comfort whether you’re at the gym, exploring the outdoors, or beyond. Make the most out of your day, wherever it takes you.
Why Virus?

It’s on us. You’ll get free shipping on orders over $100 domestic and $250 international. Complete your purchase and we’ll handle the rest.

You get what you pay for. At Virus, we only use premium materials so our prices reflect the inherent quality and build of every product.

Make an impact. Our apparel is engineered with technical recycled fabrics so you’re getting the premium quality you expect from Virus.
Quality |
Rated 4 out of 5
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Design |
Rated 4 out of 5
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Sizing |
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
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Great fit
These pants fit well, great for training and are flattering.
Quality |
Rated 5 out of 5
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Design |
Rated 5 out of 5
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Sizing |
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
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Form Fitting & Functional
These pants are kind of like a lighter track jacket material. They’re capable of withstanding any movement as the fit is snug but flexible. These are really, really comfortable. Going to buy another pair!
Quality |
Rated 4 out of 5
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Design |
Rated 4 out of 5
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Sizing |
Rated -1 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
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KL1 For the win
So I currently work for an athletic apparel company and tbh I only train in Virus KL1 it’s superb!!! Im tall I have long femurs and the tapering on this pant looks so sleek!! Look good feel good play good ~ Prime time.
Quality |
Rated 5 out of 5
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Design |
Rated 5 out of 5
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Sizing |
Rated -1 on a scale of minus 2 to 2, where minus 2 is Runs Small, 0 is True to Size and 2 is Runs Large
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