OS1st FS6 Plus Performance Foot & Calf Sleeves Size:X-Large: Men's 13.5-15 Large: 13-17 in / 33-44

Large: 13-17 in / 33-44 cm

Polyester jacquard webbing straps

Semi-rigid orthotic arch support insert

Large: Men's 10-13 / Women's 11+

while the combination of support and cushioning will ensure proper foot support for ultimate comfort all day or all night long

OS1st FS6 Plus Performance Foot & Calf Sleeves Size:X-Large: Men's 13.5-15 Large: 13-17 in / 33-44Product Details Overview: 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. With 11 Zones of Compression Technology the FS6 Plus Sleeves are a thin and light sleeve that offers light, moderate, to firm compression fit easily under preferred performance