Os1st

Unisex OS1st FS4 Quarter Plantar Fasciitis Socks Pair Black

Style: 202520

How does it fit?

The OS1st FS4 Quarter Plantar Fasciitis Socks feature award winning, patented FS6 technology. Wearing the FS4 PF socks during runs or sports activity will aid in preventing PF symptom onset and act as an overall foot health and performance aid. With precise targeted compression levels, the FS4 features Compression Zone Technology that is designed for proper foot support and injury prevention. Add to that, soft moisture-wicking fabric with anti-odor treatment and padding in the right places which creates a technical performance sock that strengthens the foot structure and prevents Plantar Fasciitis, as well as, overuse injuries.

These OS1st FS4 Quarter Black Unisex Plantar Fasciitis Socks have the following features:

  • Medical Grade Support
  • Y-Gore heel for anatomical shape
  • Patented Compression Zone Technology
  • Seamless Construction
  • Moisture wicking, extra durable and soft nylon
  • Extra cushioning without the bulk
  • Anatomical left/right design for perfect fit
  • Anti-bacterial fabric
  • Targeted Conditions: Plantar Fasciitis, Foot Fatigue, Arch/Heel Pain
  • Comes with one pair of socks per package

Proper circulation is important for maintaining and rebuilding muscles after intense workouts. A sports foot compression sleeve will support your muscles while they work hard

FS4 Plantar Fasciitis Socks provide medical grade orthopedic support. Patent pending Compression Zone Technology relieves and prevents pain. Get relief from past injuries, plantar fasciitis, chronic heel pain, swollen arthritic ankles and feet, or poor circulation

The OS1st FS4 Plantar Fasciitis Sock has a comfortable, shaped fit. The high performance design delivers four different zones of compression. This is a product that is comfortable and easy to wear daily. Don’t let bulky and uncomfortable splints keep you from your peak performance

Sports foot compression sleeve reduces and prevents pain and injury from active lifestyles. Save yourself the hassle of putting your feet up and work on recovering

Please note: Orders with multiple items may ship in multiple shipments. If you are paying for shipping, you will only be charged once.

When will my order be shipped?

We pride ourselves on shipping your order quickly. 99% of in-stock orders leave our warehouse within one business day. Orders placed on Saturday and Sunday will be processed for shipment on Monday. Please note, Saturdays, Sundays, and holidays do not count as UPS business days.

Where will my order ship from?

Most orders ship from one of our California locations. Occasionally, items are sent directly from a manufacturer's US warehouse.

How will my order be shipped?

For all physical addresses within the 50 US states and the District of Columbia (excluding Military and PO Box addresses), we use UPS Ground service. Orders shipping to Alaska or Hawaii have the option of USPS Priority or UPS (see rates below).

Will you ship to a P.O. Box or a U.S. Military address (APO/FPO)?

Yes, we will! Shipments to U.S. Military addresses (APO/FPO) have an estimated delivery of 3 to 6 weeks after being tendered to the U.S. Postal Service. Orders shipping to P.O. Boxes and US Military addresses will be shipped via USPS. Delivery times for these addresses are not guaranteed and vary by location.

Will you ship to an address outside the United States?

No, we only ship orders within the United States (including US Military addresses).

What will shipping cost (for orders within the US excluding Hawaii and Alaska)?

  • Orders $150 and higher qualify for Free UPS Ground!
  • Orders totaling $149.99 and lower: $9.95 for UPS Ground

What will shipping cost (only for orders to Hawaii or Alaska)?

  • USPS Shipping (estimated 3–5 days): $15
  • UPS Ground: $40

These shipping offers are available regardless of how your order is placed (e.g. online, by phone, etc.).

Does free shipping apply to phone orders?

Yes. All free shipping offers shown online are valid for orders placed by phone.

Is a signature required for delivery?

Unless specifically requested by the customer, we do not require a signature upon delivery. However, we cannot guarantee that UPS will leave a package without a signature, as the final decision falls to the individual UPS driver.

When will I receive my order?

If a product is not available or backordered, a Footwear etc. associate will contact you promptly. In-stock orders usually ship the same or next business day.

Please note, some products will ship directly from the manufacturer. When this occurs, we will notify you by email with the estimated shipping date and delivery time.

What is the return policy?

All unused items may be returned for a full refund if within 30 days of the purchase. Return shipping is $9.95 if you use our return label. You are welcome to use your own label as well.

For your convenience, you can visit any retail location to do a return or exchange, or visit footwearetc.com/returns to generate a prepaid* UPS return label for your return.

Note: We are not able to offer return labels from US territories or military addresses. See here for more return details.

The OS1st FS4 Quarter Plantar Fasciitis Socks feature award winning, patented FS6 technology. Wearing the FS4 PF socks during runs or sports activity will aid in preventing PF symptom onset and act as an overall foot health and performance aid. With precise targeted compression levels, the FS4 features Compression Zone Technology that is designed for proper foot support and injury prevention. Add to that, soft moisture-wicking fabric with anti-odor treatment and padding in the right places which creates a technical performance sock that strengthens the foot structure and prevents Plantar Fasciitis, as well as, overuse injuries.

These OS1st FS4 Quarter Black Unisex Plantar Fasciitis Socks have the following features:

  • Medical Grade Support
  • Y-Gore heel for anatomical shape
  • Patented Compression Zone Technology
  • Seamless Construction
  • Moisture wicking, extra durable and soft nylon
  • Extra cushioning without the bulk
  • Anatomical left/right design for perfect fit
  • Anti-bacterial fabric
  • Targeted Conditions: Plantar Fasciitis, Foot Fatigue, Arch/Heel Pain
  • Comes with one pair of socks per package

Proper circulation is important for maintaining and rebuilding muscles after intense workouts. A sports foot compression sleeve will support your muscles while they work hard

FS4 Plantar Fasciitis Socks provide medical grade orthopedic support. Patent pending Compression Zone Technology relieves and prevents pain. Get relief from past injuries, plantar fasciitis, chronic heel pain, swollen arthritic ankles and feet, or poor circulation

The OS1st FS4 Plantar Fasciitis Sock has a comfortable, shaped fit. The high performance design delivers four different zones of compression. This is a product that is comfortable and easy to wear daily. Don’t let bulky and uncomfortable splints keep you from your peak performance

Sports foot compression sleeve reduces and prevents pain and injury from active lifestyles. Save yourself the hassle of putting your feet up and work on recovering

Please note: Orders with multiple items may ship in multiple shipments. If you are paying for shipping, you will only be charged once.

When will my order be shipped?

We pride ourselves on shipping your order quickly. 99% of in-stock orders leave our warehouse within one business day. Orders placed on Saturday and Sunday will be processed for shipment on Monday. Please note, Saturdays, Sundays, and holidays do not count as UPS business days.

Where will my order ship from?

Most orders ship from one of our California locations. Occasionally, items are sent directly from a manufacturer's US warehouse.

How will my order be shipped?

For all physical addresses within the 50 US states and the District of Columbia (excluding Military and PO Box addresses), we use UPS Ground service. Orders shipping to Alaska or Hawaii have the option of USPS Priority or UPS (see rates below).

Will you ship to a P.O. Box or a U.S. Military address (APO/FPO)?

Yes, we will! Shipments to U.S. Military addresses (APO/FPO) have an estimated delivery of 3 to 6 weeks after being tendered to the U.S. Postal Service. Orders shipping to P.O. Boxes and US Military addresses will be shipped via USPS. Delivery times for these addresses are not guaranteed and vary by location.

Will you ship to an address outside the United States?

No, we only ship orders within the United States (including US Military addresses).

What will shipping cost (for orders within the US excluding Hawaii and Alaska)?

  • Orders $150 and higher qualify for Free UPS Ground!
  • Orders totaling $149.99 and lower: $9.95 for UPS Ground

What will shipping cost (only for orders to Hawaii or Alaska)?

  • USPS Shipping (estimated 3–5 days): $15
  • UPS Ground: $40

These shipping offers are available regardless of how your order is placed (e.g. online, by phone, etc.).

Does free shipping apply to phone orders?

Yes. All free shipping offers shown online are valid for orders placed by phone.

Is a signature required for delivery?

Unless specifically requested by the customer, we do not require a signature upon delivery. However, we cannot guarantee that UPS will leave a package without a signature, as the final decision falls to the individual UPS driver.

When will I receive my order?

If a product is not available or backordered, a Footwear etc. associate will contact you promptly. In-stock orders usually ship the same or next business day.

Please note, some products will ship directly from the manufacturer. When this occurs, we will notify you by email with the estimated shipping date and delivery time.

What is the return policy?

All unused items may be returned for a full refund if within 30 days of the purchase. Return shipping is $9.95 if you use our return label. You are welcome to use your own label as well.

For your convenience, you can visit any retail location to do a return or exchange, or visit footwearetc.com/returns to generate a prepaid* UPS return label for your return.

Note: We are not able to offer return labels from US territories or military addresses. See here for more return details.