The OS1st Difference

Health

Our Compression Zone Technology® targets pain with varying levels of compression for relief and comfort before, during, and after your favorite activities.

Pain Relief

We expertly choose our premium materials, voluntarily participate in FDA registration, and ensure our compression is medical-grade to keep you active and pain free.

100% Satisfaction

We believe you will love our products as much as we do, and we are committed to making sure you have the best experience possible.

FS4 Plantar Fasciitis Compression Socks
Thin Air Performance Socks
WP4 Wellness Socks
WP4 Wellness Socks
From $13.99
KS7 Performance Knee Sleeve
BR4 Bunion Relief Socks
FS6 Performance Foot Sleeve
CS6 Performance Calf Sleeves
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FS4+ Compression Bracing Socks
How to prevent Pickleball injury

How to prevent Pickleball injury

Injuries such as ankle strain, Achilles tendon strain (back of the ankle), heel bruise, wrist fracture, knee, hamstring, groin, quad strain or shoulder strain are common to the Pickleball community. In addition, pickleball players should consider themselves at risk of injury for a few reasons.
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What it takes to run the oldest 100-mile trail race

What it takes to run the oldest 100-mile trail race

Every ultra-runner has their own story of how they got to the start line of a race with a course longer than a marathon distance, and the runners of the world’s oldest 100 mile trail race, the Western States 100-Mile Endurance Run, are no exception. 
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How To Properly Foam Roll

How To Properly Foam Roll

Foam rolling may be the tool that you are missing in your daily routine. It provides relief to muscle stiffness and tightness, which allows you to be ready for your next workout. They come in all different shapes and sizes which makes them versatile and easy to use. To make the Foam roller even better, they are relatively cheap and will last a long time if they are properly cared for. Is it time for you to enjoy the benefits of a new foam roller?
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