Earth Day Special • Free Worldwide Shipping On Every Order
Celebrate Earth Day • 60% OFF Sitewide On All Running Gear



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Free standard shipping on orders
We are pleased to offer Free Worldwide Shipping on all orders, delivering to all countries and regions supported by our logistics network.
There are no restrictions on order quantity, parcel size, or shipment weight — every order ships at no cost to you. In addition, all customs duties, import taxes, and government-imposed fees associated with your shipment will be fully covered by us, ensuring you will not incur any extra charges upon delivery.
Please note that delivery times may vary due to local customs procedures and carrier conditions, but your shipping and customs costs will remain completely free under this policy.
We provide a secure and reliable Free Returns service for all customers. Items that remain unused and unopened may be returned within 60 days for a full refund.
All return shipping expenses, including customs-related fees, are fully covered by us.
Refund processing will be completed within 4 weeks from the date the return shipment is sent, regardless of whether the package has arrived at our facility. In general, refunds are finalized significantly earlier, ensuring a smooth and dependable experience.
The FS6 Performance Foot Sleeve is incredibly effective at relieving the pain of Plantar Fasciitis, chronic arch and heel pain, and swelling in the foot. Compression Zone Technology® knit into this top-selling foot sleeve provides medical grade orthopedic support to the foot structure and the Achilles tendon. Graduated compression improves circulation and reduces swelling, all in an ultra-comfortable, moisture-wicking foot sleeve that can be worn under socks and inside shoes. Use it for resting therapy or overnight. This is a single sleeve. Click here for a pair.
Performance Features
Targeted Conditions
| US Women | US Men | UK Size | EU Size | JP CM Foot Length | Inch Foot Length |
|---|---|---|---|---|---|
| 5 | 3 | 2 | 35 | 22 | 8.6 |
| 5.5 | 3.5 | 2.5 | 35.5 | 22.2 | 8.75 |
| 6 | 4 | 3 | 36 | 22.5 | 8.875 |
| 6.5 | 4.5 | 3.5 | 37 | 23 | 9 |
| 7 | 5 | 4 | 37.5 | 23.2 | 9.2 |
| 7.5 | 5.5 | 4.5 | 38 | 23.5 | 9.375 |
| 8 | 6 | 5 | 38.5 | 24 | 9.5 |
| 8.5 | 6.5 | 5.5 | 39 | 24.2 | 9.65 |
| 9 | 7 | 6 | 40 | 24.5 | 9.8 |
| 9.5 | 7.5 | 6.5 | 40.5 | 25 | 9.95 |
| 10 | 8 | 7 | 41 | 25.2 | 10.1 |
| 10.5 | 8.5 | 7.5 | 42 | 25.5 | 10.25 |
| 11 | 9 | 8 | 42.5 | 26 | 10.4 |
| 11.5 | 9.5 | 8.5 | 43 | 26.2 | 10.55 |
| 12 | 10 | 9 | 44 | 26.5 | 10.7 |
| - | 10.5 | 9.5 | 44.5 | 27 | 10.85 |
| - | 11 | 10 | 45 | 27.2 | 11 |
| - | 12 | 11 | 46 | 28 | 11.3 |
| - | 13 | 12 | 47 | 28.8 | 11.6 |
| - | 14 | 13 | 48 | 29.5 | 11.9 |
Note: Foot length measurement is the actual length of your bare foot. All running shoe brands fit slightly differently. Wide-width options are available for most styles. For long-distance training shoes, we recommend leaving 0.5 inch extra space for toe movement.
| US Size | Chest (Inch) | Waist (Inch) | Hip (Inch) | Height (Inch) |
|---|---|---|---|---|
| XS | 30–33 | 24–27 | 33–36 | 60–64 |
| S | 34–37 | 28–31 | 37–40 | 63–67 |
| M | 38–41 | 32–35 | 41–44 | 66–70 |
| L | 42–45 | 36–39 | 45–48 | 69–73 |
| XL | 46–49 | 40–43 | 49–52 | 72–76 |
| XXL | 50–53 | 44–47 | 53–56 | 75–79 |
Apparel Note: All athletic clothes feature 4-way stretch fabric for running mobility. Compression items fit snug; if you prefer loose fit, size up one grade.
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