OS1st FS4+ Bracing Compression Socks
Product Details
Overview:
The OS1st FS4+ Bracing Compression Socks are designed as an all-in-one performance running and recovery sock. They feature OS1st's proprietary design with FS6 technology helping to strengthen your foot and leg structure, providing relief for ankle swelling, varicose veins, plantar fasciitis, achilles tendonitis, heel and... read more
OS1st FS4+ Bracing Compression Socks - Gray / Small: Men's 3-5.5 / Women's 4-6.5 is backordered and will ship as soon as it is back in stock.
Men's Size Conversions
| U.S. SIZE | EURO SIZE | UK SIZE | INCHES | CM |
| 6 | 39 | 5.5 | 9 1/3" | 23 3/4 cm |
| 6.5 | 39 | 6 | 9 1/2" | 24 1/10 cm |
| 7 | 40 | 6.5 | 9 2/3" | 24 1/2 cm |
| 7.5 | 40-41 | 7 | 9 5/6" | 25 cm |
| 8 | 41 | 7.5 | 10" | 25 2/5 cm |
| 8.5 | 41-42 | 8 | 10 1/6" | 25 4/5 cm |
| 9 | 42 | 8.5 | 10 1/3" | 26 1/4 cm |
| 9.5 | 42-43 | 9 | 10 1/2" | 26 7/10 cm |
| 10 | 43 | 9.5 | 10 2/3" | 27 cm |
| 10.5 | 43-44 | 10 | 10 5/6" | 27 1/2 cm |
| 11 | 44 | 10.5 | 11" | 28 cm |
| 11.5 | 44-45 | 11 | 11 1/6" | 28 2/5 cm |
| 12 | 45 | 11.5 | 11 1/3" | 28 4/5 cm |
| 13 | 46 | 12.5 | 11 1/2" | 29 1/5 cm |
| 14 | 47 | 13.5 | 11 2/3" | 29 3/5 cm |
| 15 | 48 | 14.5 | 11 5/6" | 30 cm |
| 16 | 49 | 15.5 | 12" | 30 1/2 cm |
Women's Size Conversions
| U.S. SIZE | EURO SIZE | UK SIZE | INCHES | CM |
| 4 | 35 | 2 | 8 1/3" | 20 1/5 cm |
| 4.5 | 35-36 | 2.5 | 8 1/2" | 21 3/5 cm |
| 5 | 36 | 3 | 8 2/3" | 22 cm |
| 5.5 | 36-37 | 3.5 | 8 3/4" | 22 1/4 cm |
| 6 | 37 | 4 | 9" | 22 4/5 cm |
| 6.5 | 37-38 | 4.5 | 9 1/6" | 23 cm |
| 7 | 38 | 5 | 9 1/3" | 23 3/4 cm |
| 7.5 | 38-39 | 5.5 | 9 1/2" | 24 1/10 cm |
| 8 | 39 | 6 | 9 2/3" | 24 1/2 cm |
| 8.5 | 39-40 | 6.5 | 9 5/6" | 25 cm |
| 9 | 40 | 7 | 10" | 25 2/5 cm |
| 9.5 | 40-41 | 7.5 | 10 1/6" | 26 cm |
| 10 | 41 | 8 | 10 1/3" | 26 4/5 cm |
| 10.5 | 41-42 | 9 | 10 1/2" | 26 3/5 cm |
| 11 | 42 | 9.5 | 10 2/3" | 27 1/10 cm |
| 11.5 | 42-43 | 10 | 10 5/6" | 27 1/2 cm |
| 12 | 43 | 10.5 | 11" | 28 cm |
Children's & Youth Size Conversions
Children's Size Conversions
| U.S. SIZE | EURO SIZE | UK SIZE | INCHES | CM |
| 5.5 | 21 | 4.5 | 5 1/6" | 13 1/10 cm |
| 6 | 22 | 5 | 5 1/4" | 13 1/3 cm |
| 6.5 | 22 | 5.5 | 5 5/12" | 13 3/4 cm |
| 7 | 23 | 6 | 5 7/12" | 14 1/5 cm |
| 7.5 | 23 | 6.5 | 5 3/4" | 14 3/5 cm |
| 8 | 24 | 7 | 5 11/12" | 15 cm |
| 8.5 | 25 | 7.5 | 6 1/12" | 15 1/2 cm |
| 9 | 25 | 8 | 6 1/4" | 15 4/5 cm |
| 9.5 | 26 | 8.5 | 6 5/12" | 6 1/3 cm |
| 10 | 27 | 9 | 6 7/12" | 16 3/4 cm |
| 10.5 | 27 | 9.5 | 6 3/4" | 17 1/5 cm |
| 11 | 28 | 10 | 6 11/12" | 17 3/5 cm |
| 11.5 | 29 | 10.5 | 7 1/12" | 18 cm |
Youth Size Conversions
| U.S. SIZE | EURO SIZE | UK SIZE | INCHES | CM |
| 12.5 | 30 | 11.5 | 7 5/12" | 18 4/5 cm |
| 13 | 31 | 12 | 7 7/12" | 19. 1/4 cm |
| 13.5 | 31 | 12.5 | 7 3/4" | 19 3/5 cm |
| 1 | 32 | 13 | 7 1/3" | 18 3/5 cm |
| 1.5 | 33 | 14 | 7 1/2" | 19 cm |
| 2 | 33 | 1 | 7 2/3" | 19.5 cm |
| 2.5 | 34 | 1.5 | 7 5/6" | 20 cm |
| 3 | 34 | 2 | 8" | 20 1/3 cm |
| 3.5 | 35 | 2.5 | 8 1/6" | 21 3/4 cm |
| 4 | 36 | 3 | 8 1/3" | 21 1/5 cm |
| 4.5 | 36 | 3.5 | 8 1/2" | 21 3/5cm |
| 5 | 37 | 4 | 8 2/3" | 22 cm |
| 5.5 | 37 | 4.5 | 8 5/6" | 22 2/5 cm |
| 6 | 38 | 5 | 9" | 22 4/5 cm |
| 6.5 | 38 | 5.5 | 9 1/6" | 23 1/3 cm |
| 7 | 39 | 6 | 9 1/3" | 23 7/10 cm |
Please Note: Most manufacturers have their own specific sizing. If you have any questions, please feel free to contact our Customer Service Team.
OS1st FS4+ Bracing Compression Socks
OS1st FS4+ Bracing Compression Socks - Gray / Small: Men's 3-5.5 / Women's 4-6.5 is backordered and will ship as soon as it is back in stock.
About the OS1st FS4+ Bracing Compression Socks
Product Details
Overview:
The OS1st FS4+ Bracing Compression Socks are designed as an all-in-one performance running and recovery sock. They feature OS1st's proprietary design with FS6 technology helping to strengthen your foot and leg structure, providing relief for ankle swelling, varicose veins, plantar fasciitis, achilles tendonitis, heel and arch pain, and shin splints. The FS4+ features a medical-grade, 4 Zones of Compression Technology that is designed for proper foot support and leg support, helping to prevent injuries. They are developed with the highest quality, soft moisture-wicking fabric that contains an anti-odor treatment with additional padding in all the right places.
Product Features:
- 4 Zones of Compression Technology
- Relieves and prevents symptoms from plantar fasciitis, foot fatigue, arch pain, and heel pain
- Seamless construction
- Over the calf sock height
- Low-bulk shape
- Anatomical design
- Made from soft nylon for cushioning and durability
- Anti-bacterial
- Moisture-wicking
- Blister protection
- Medical Grade 20-30mmHg graduated compression
- Each package contains one pair
Ideal For:
- Foot conditions: Recovery, Ankle Swelling, Varicose Veins, Plantar Fasciitis, Achilles Tendonitis, Heel/Arch Pain, Shin Splints
Sizing:
- Small: Men's 3-5.5 / Women's 4-6.5
- Medium: Men's 6-9.5 / Women's 7-10.5
- Large: Men's 10-13 / Women's 11+
- X-Large: Men's 13.5-15
Looking for a night-time solution? Check out the OS1st DS6 Decompression Sleeve for Plantar Fasciitis!
Item #: OS1-FS4PLUS
Use
For more information on using your new insole, visit our Help Center to see common usage FAQs.
Care
For more information on caring for your insoles, visit our Help Center to see common product care FAQs.
Warranty
For additional information on wear-test guarantees, see our Returns Policy.
Returns
All products — except for gift cards, clearance items, and closeout items — may be returned within 60 days of delivery so long as the product is in brand-new, unworn, unused condition and is returned in the original product condition along with all of the original product packaging and labels.
Products with wear-test guarantees can be returned even if used/worn. See our Returns Policy for more information.
