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.
