Built for the Long Run
High-performance socks engineered for comfort, endurance, and every stride in between.
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Active Comfort Socks (AC4) - White
Regular price $34.95 SGDRegular priceUnit price / per$34.95 SGDSale price $34.95 SGD -
Active Comfort Socks (AC4) - Black
Regular price $34.95 SGDRegular priceUnit price / per$34.95 SGDSale price $34.95 SGD -
Active Comfort Socks (AC4) - Pink
Regular price $34.95 SGDRegular priceUnit price / per$34.95 SGDSale price $34.95 SGD -
Active Comfort Socks (AC4) - Lime
Regular price $34.95 SGDRegular priceUnit price / per$34.95 SGDSale price $34.95 SGD
WHY OS1st
Targeted Compression for Proven Results
- Zone-specific, medical-grade compression supports circulation, reduces swelling, and aids recovery, trusted by healthcare professionals and athletes alike
Pain Relief & Injury Prevention
- Designed to help manage and prevent common foot, ankle, knee, and leg conditions (plantar fasciitis, bunions, Achilles tendonitis, runner’s knee, shin splints, arthritis, and more)
All-Day Comfort & Performance
- Lightweight, moisture-wicking, and ultra-breathable designs for comfortable wear, whether you're training, recovering, working, or on your feet all day
Trusted Worldwide
- Recommended by medical professionals, used by athletes, loved by everyday consumers, OS1st is a brand built on results and repeat purchases
Premium quality & innovation
- Designed with advanced materials and patented compression technology to deliver durability, all-day comfort, and performance, trusted by active communities across the globe
Featured Collections
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OS1st Socks With Purpose
Every pair with a purpose. The OS1st Socks With Purpose range is...
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OS1st Performance Compression
Support that moves with you. The OS1st Performance Compression Collection is built...
The Comfort Edit
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Meet Vitasole: Shoes Built for Your Next 10,000...
Vitasole is built for the everyday athlete. The one who wants to move a little more, feel a little better, and get their steps in no matter how they're getting...
Meet Vitasole: Shoes Built for Your Next 10,000...
Vitasole is built for the everyday athlete. The one who wants to move a little more, feel a little better, and get their steps in no matter how they're getting...
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Meet Mia Vita: Comfort Hidden in Plain Sight
Mia Vita looks like a fashion shoe because it is one. What you won't see is everything hiding inside: podiatrist-approved support, serious cushioning, and premium materials built into a silhouette...
Meet Mia Vita: Comfort Hidden in Plain Sight
Mia Vita looks like a fashion shoe because it is one. What you won't see is everything hiding inside: podiatrist-approved support, serious cushioning, and premium materials built into a silhouette...
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Your Biggest Shoe Questions, Answered Honestly
Got questions about your shoes? We answer the hardest ones customers ask most, from barefoot walking and sizing confusion to why comfort shoes sometimes feel strange at first.
Your Biggest Shoe Questions, Answered Honestly
Got questions about your shoes? We answer the hardest ones customers ask most, from barefoot walking and sizing confusion to why comfort shoes sometimes feel strange at first.



