OS1st FS4+ COMPRESSION BRACING SOCKS
OS1st FS4+ Compression Bracing Socks -Faster Recovery and Injury Prevention!
Made with 20-33 mmHg graduated, medical-grade compression on FDA registered machinery. Designed for proper foot, Achilles, and leg support and muscle recovery.
Targeted conditions:
- Post-workout recovery
- Swelling
- Varicose veins
- Plantar fasciitis
- Achilles tendonitis
- Heel/arch pain
- Shin splints
Performance Features:
- Moisture wicking and extra durable
- Extra cushioning without the bulk
- Medical Grade 20-30mmHg graduated compression
- Micro-nylon treated with silver-ion technology to keep dry and prevent odor
- Seamless construction and left/right design for 360-degree blister protection
- Y-Gore heel to prevent the sock from slipping down into your shoe
Care Instructions: Hand wash with mild soap and air dry. No bleach or fabric softener.
Before ordering, use this size chart for accurate fit.
| Size | Arch Circumference | Average Shoe Size | ||||
| S | 6.5-8.5 in | 17-22 cm | US: M 3-5.5 | US: W 5-7.5 | UK: 2.5-5 | EU: 35.5-28.5 |
| M | 8.5-10.5 in | 21-27 cm | US: M 6-9.5 | US: W 8-11 | UK: 6-9 | EU: 39-43.5 |
| L | 9.5-12.5 in | 25-31 cm | US: M 10-13 | US: W 11.5+ | UK: 9-12 | EU: 44-48 |
| XL | 12-14 in | 30-35 cm | US: M 13.5+ | UK: 12.5-14 | EU: 48-49 | |
Comes with one (1) pair of socks per package.
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Tulis FAQ's
1. What are Tuli’s Heavy Duty Heel Cups?
Tuli’s Heel Cups are shock-absorbing inserts designed to sit under your heel inside your shoes. The Heavy Duty version is thicker and provides extra cushioning for high-impact activity or long days on your feet.
2. What shoes do they fit into?
They fit most lace-up shoes including runners, school shoes, work shoes and everyday sneakers. They may feel too snug in very tight dress shoes.
What’s the difference between Classic and Heavy Duty?
Classic = standard thickness for everyday shoes.
Heavy Duty = roughly twice as thick, ideal for sport, high-impact activity and roomier footwear.
How long do they last?
They’re durable, reusable and designed for daily wear. Most people move them between different pairs of shoes.
