---
product_id: 90328720
title: "OS1st FS4 No Show Plantar Fasciitis Socks (Pair) for Plantar Fasciitis relief, arch support and foot health featuring patented FS6 technology"
brand: "os1st"
price: "¥7942"
currency: JPY
in_stock: true
reviews_count: 1
category: "Industrial"
url: https://www.desertcart.jp/products/90328720-os1st-fs4-no-show-plantar-fasciitis-socks-pair-for-plantar
store_origin: JP
region: Japan
---

# OS1st FS4 No Show Plantar Fasciitis Socks (Pair) for Plantar Fasciitis relief, arch support and foot health featuring patented FS6 technology

**Brand:** os1st
**Price:** ¥7942
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** OS1st FS4 No Show Plantar Fasciitis Socks (Pair) for Plantar Fasciitis relief, arch support and foot health featuring patented FS6 technology by os1st
- **How much does it cost?** ¥7942 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/90328720-os1st-fs4-no-show-plantar-fasciitis-socks-pair-for-plantar)

## Best For

- os1st enthusiasts

## Why This Product

- Trusted os1st brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

The FS4 No Show Plantar Fasciitis Socks are the first ever Plantar Fasciitis sock to be internationally patented.  Using the same technology as the award winning FS6 Performance Foot Sleeve, these socks are specifically designed to keep you on your feet and pain free. The FDA registered FS4 is incredibly effective at relieving the pain of Plantar Fasciitis, chronic arch and heel pain, Achilles Tendonitis or just swelling in the foot. This first and original Patented Plantar Fasciitis socks feature award-winning Compression Zone Technology in each sleeve. Wearing the FS4 PF socks during runs or sports activities 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.

## Features

- 87% Micro-Nylon, 13% Lycra Spandex
- Imported
- PERFORMANCE FEATURES: Provides continuous healthy support of the Plantar Fascia; Supports the arch & overall foot structure; Stabilizes Achilles tendon & ankle; Creates a better sense of balance and features Medical Grade Compression to ensure ultimate foot health.
- TARGETED CONDITIONS: Targets, treats and helps prevent Plantar Fasciitis, Foot Fatigue, Arch Pain and Heel Pain.
- COMFORT-FIT-SUPPORT: Seamless, extra-cushioning, light-weight design provides support to the tendons and joints to keep your feet healthy in a more wearable option. Four targeted zones of compression promote circulation, reduce impact vibration, boost recovery and strengthen your feet.
- HIGH QUALITY: Made with the highest quality micro-nylon/spandex combination, treated with an anti-microbial and moisture-wicking agent making our socks odor controlled and breathable.
- ULTIMATE SATISFACTION: OS1st products are backed by a 100% customer satisfaction guarantee. With proper care, hand washing and air dry, OS1st products are made to provide lasting support for up to six months.

## Images

![OS1st FS4 No Show Plantar Fasciitis Socks (Pair) for Plantar Fasciitis relief, arch support and foot health featuring patented FS6 technology - Image 1](https://images-na.ssl-images-amazon.com/images/I/519w036HjdL.jpg)
![OS1st FS4 No Show Plantar Fasciitis Socks (Pair) for Plantar Fasciitis relief, arch support and foot health featuring patented FS6 technology - Image 2](https://images-na.ssl-images-amazon.com/images/I/515tn4REOcL.jpg)
![OS1st FS4 No Show Plantar Fasciitis Socks (Pair) for Plantar Fasciitis relief, arch support and foot health featuring patented FS6 technology - Image 3](https://images-na.ssl-images-amazon.com/images/I/51Uba2ipwKL.jpg)
![OS1st FS4 No Show Plantar Fasciitis Socks (Pair) for Plantar Fasciitis relief, arch support and foot health featuring patented FS6 technology - Image 4](https://images-na.ssl-images-amazon.com/images/I/51soqnCvHrL.jpg)
![OS1st FS4 No Show Plantar Fasciitis Socks (Pair) for Plantar Fasciitis relief, arch support and foot health featuring patented FS6 technology - Image 5](https://images-na.ssl-images-amazon.com/images/I/61JOEEfqoyL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Amazing & helpful
*by H***R on August 22, 2018*

These are the only brand socks I wear!  They come in fun colors and they actually work!

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**Shop now:** [https://www.desertcart.jp/products/90328720-os1st-fs4-no-show-plantar-fasciitis-socks-pair-for-plantar](https://www.desertcart.jp/products/90328720-os1st-fs4-no-show-plantar-fasciitis-socks-pair-for-plantar)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-31*