New OS1st FS6 Plus Performance Foot & Calf Sleeve Single (Not Pair) Medium

New OS1st FS6 Plus Performance Foot & Calf Sleeve Single (Not Pair) Medium. This is a new item that has lost its mate and packaging. Sizing: Men's 6-9.5 | Women's 7-10.5 The OS1st FS6 Plus Performance Foot & Calf Sleeves combine the FS6 and the CS6 to provide you with medical-grade orthopedic support and graduated compression to help prevent and treat Plantar Fasciitis, Shin Splints, Achilles Tendonitis, and more. -11 Zones of Compression Technology -Provide continuous stretch of the plantar fascia -Supports the arch and overall foot structure -Reduces impact vibration of calf muscle -Post-event recovery -Boosts oxygenation -Achilles stabilization -Seamless construction -Anatomical design -Made from soft nylon for comfort and durability -Anti-bacterial -Moisture-wicking -Medical-grade light to firm compression -Latex-free -Each package contains one pair