"Oh-ess-first"
Relief you can feel, comfort you’ll love, performance you can trust.
New Products
DermaSox | The Skincare Sock | OS1st
DermaSox | The Skincare Sock | OS1st
DermaSox is a groundbreaking solution for dry, sensitive, and "at risk" feet, combining patented skincare technology with advanced sock design for unparalleled comfort and hydration.
Wicked Comfort Merino Wool
Wicked Comfort Merino Wool
OS1st is a performance wellness brand on a mission to deliver Relief You Can Feel. We design purpose-built socks and compression bracing that support the way people move—whether they’re training for a race, recovering from injury, or simply trying to get through the day pain-free.
Thin Air Performance Socks - 3/4 Crew
Thin Air Performance Socks - 3/4 Crew
These lightweight, breathable performance socks engineered for runners and athletes who demand breathability without sacrificing performance.
Wellness Comfort Compression Socks
Wellness Comfort Compression Socks
Where can I buy?
Find your Local Retailer
Find your Local Retailer
International Distributors
International Distributors
OS1st is a performance wellness brand on a mission to deliver Relief You Can Feel. We design purpose-built socks and compression bracing that support the way people move—whether they’re training for a race, recovering from injury, or simply trying to get through the day pain-free.
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Ambassador & Affiliate Application
Ambassador & Affiliate Application
Apply to become an OS1st Ambassador or Affiliate!
OS1st Relieficians Affiliate Program
OS1st Relieficians Affiliate Program
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