OS1ST FS4 GREY

Designed as an all-in-one performance running and recovery sock, our FS4™+ socks provide relief for ankle swelling, varicose veins, Plantar Fasciitis, Achilles tendonitis, heel and arch pain and shin splints while also improving recovery. Our proprietary design infused with award winning, patented FS6 ® technology makes these socks a must-have to help strengthen your foot and leg structure and act as an overall health and performance aid. With precise targeted and medical grade graduated compression levels, the FS4™+ features Compression Zone Technology ® that is designed for proper foot and leg support and injury prevention. Developed with the highest quality, soft moisture-wicking fabric containing an anti-odor treatment and padding in the right places, the FS4™+ creates a technical performance sock that strengthens the foot and leg structure and prevents overuse injuries. Targeted Conditions: Recovery Ankle Swelling Varicose Veins Plantar Fasciitis Achilles Tendonitis Heel/Arch Pain Shin Splints Performance Features: Moisture wicking, extra durable and soft micro-fiber nylon Extra cushioning without the bulk Anatomical left/right design for the perfect fit Medical Grade 20-30mmHg graduated compression Comes with one (1) pair of socks per package.