Product Details Overview: The OS1st FS4+ Bracing Compression Socks are designed as an all-in-one performance running and recovery sock. They feature OS1st's proprietary design with FS6 technology helping to strengthen your foot and leg structure, providing relief for ankle swelling, varicose veins, plantar fasciitis, achilles tendonitis, heel and arch pain, and shin splints. The FS4+ features a medical-grade, 4 Zones of Compression Technology that is designed for proper foot support and leg support, helping to prevent injuries. They are developed with the highest quality, soft moisture-wicking fabric that contains an anti-odor treatment with additional padding in all the right places. Product Features: 4 Zones of Compression Technology Relieves and prevents symptoms from plantar fasciitis, foot fatigue, arch pain, and heel pain Seamless construction Over the calf sock height Low-bulk shape Anatomical design Made from soft nylon for cushioning and durability Anti-bacterial Moisture-wicking Blister protection Medical Grade 20-30mmHg graduated compression Each package contains one pair Ideal For: Foot conditions: Recovery, Ankle Swelling, Varicose Veins, Plantar Fasciitis, Achilles Tendonitis, Heel/Arch Pain, Shin Splints Sizing: Small: Men's 3-5.5 / Women's 4-6.5 Medium: Men's 6-9.5 / Women's 7-10.5 Large: Men's 10-13 / Women's 11+ X-Large: Men's 13.5-15 Looking for a night-time solution? Check out the OS1st DS6 Decompression Sleeve for Plantar Fasciitis! Item #: OS1-FS4PLUS
