Side view of unisex OS1st Plantar Fasciitis quarter crew socks in black – featuring reinforced arch support, cushioned footbed to alleviate heel pain, moisture-wicking seamless design, and quarter length for versatile wear and enhanced comfort.
Side View of OS1st FS4 Plantar Fasciitis Sock – featuring targeted compression for plantar fascia relief, cushioned heel and arch support, and moisture-wicking materials for foot health.
Side View of OS1st FS4 Plantar Fasciitis Sock – featuring targeted compression for plantar fascia relief, cushioned heel and arch support, and moisture-wicking materials for foot health.
OS1st sock brand features with icons and text on a white background
OS1st care instructions and shoe size chart on a white background

Unisex FS4 Plantar Fasciitis (Quarter) - Black

$24.99 USD
By Os1st
Size
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Find relief that fits seamlessly into your routine with the OS1st FS4 Plantar Fasciitis Quarter Socks in Black. These socks deliver focused arch and heel support to help manage plantar fasciitis pain, reduce inflammation, and fight foot fatigue—whether you're on a run, at work, or on your feet all day.

Key Features:

  • Medical-Grade Compression – Graduated compression zones stabilize the plantar fascia and Achilles tendon, reducing strain and discomfort.
  • Soft, Lightweight Fabric – Made from high-quality micro-nylon and lycra that wicks moisture to keep feet dry and blister-free.
  • Quarter-Length Coverage – Sits just above the ankle for added support and a sporty look, perfect for active or everyday wear.
  • Seamless Toe Design – Minimizes irritation and helps prevent blisters during movement.
  • Y-Heel & Anatomical Shape – Creates a secure, stay-put fit that moves with you without slipping.
  • Light Cushioning – Adds comfort while keeping socks lightweight and versatile.
  • Helps with foot conditions such as plantar fasciitis, heel pain, arch pain, swelling, poor circulation, blister prevention, achilles support, and general foot fatigue

Perfect For:

  • Runners, walkers, athletes, and anyone managing plantar fasciitis, arch pain, or heel discomfort
  • Professionals who spend long hours on their feet
  • Anyone wanting moisture-wicking, cushioned socks with discreet, supportive compression