- Ankle Swelling
- Varicose Veins
- Plantar Fasciitis
- Achilles Tendonitis
- Heel/Arch Pain
- Shin Splints
- Moisture wicking, extra durable and soft micro-fiber nylon
- Extra cushioning without the bulk
- Anatomical left/right design for the perfect fit
- Medical Grade 20-30mmHg graduated compression
Faster Recovery, Improved Circulation, and Injury Prevention!
Our compression bracing socks reduce and prevent pain and injury from active lifestyles. Wear the FS4™+ socks for top-notch performance!
Available in a sporty black, grey, pink and white, with our exclusive reflective logo for safety in low light conditions, the OS1st® FS4™+ Compression Bracing Socks are a perfect fit for your active lifestyle!
Give Your Best Performance with OS1st® Socks with PurposeTM featuring the FS4™+ Compression Bracing Socks.
When you get your blood pumping, all the muscles in your body need their share. Proper circulation is important for maintaining and rebuilding muscles after intense workouts. FS4™+ Compression Bracing Socks will support your muscles while they work hard. Designed for running, walking, standing, sitting, gym, and even sleep in them. Every sock is engineered with the highest quality machines and materials to provide the best technical performance features, developed through years of exhaustive research, for increased comfort and performance. This lightly padded sock is a perfect match for the demanding athlete but also for the occasional runner seeking a perfect feeling of support.
The Best Recovery Socks for the Seasoned Athlete!
Our FS4™+ Compression Bracing Socks provide medical grade orthopedic support combined with Compression Zone Technology® to relieve pain and prevent injury. Get relief from past injuries, Plantar Fasciitis, swollen ankles and feet, shin splints, or poor circulation.
5 Zones of Medical Grade Graduated Compression
The OS1st® FS4™+ Compression Bracing Socks are designed anatomically correct with a Y-gore heel pocket for perfect placement on your feet and legs. The five zones of compression boost venous flow, protect the Plantar Fascia, support the Achilles and improve circulation to create a product that is comfortable and easy to wear daily.