SOCKS FXT COMP WHT LG THERMOSKIN FXT COMPRESSION SOCKS FOR PLANTAR FASCIITIS, HEEL PAIN, HEEL SPURS AND ARCH PAIN, WHITE, LARGE SIZE GUIDE: SHOE SIZE - MENS 10 1/2 - 12, WOMENS 11 1/2 - 13 - VARIABLE COMPRESSION TECHNOLOGY PROVIDES COMPRESSION OVER THE ENTIRE FOOT AND ADDITIONAL COMPRESSION IN TARGETED AREAS FOR PLANTAR FASCIITIS PAIN RELIEF - SILVER MICROBIAL FIBERS IN TOE AND HEEL FOR ANTI-BACTERIAL AND ANTI-ODOR PROPERTIES - SOFT, MOISTURE WICKING, BREATHABLE FABRIC FOR COMFORT - EXTRA CUSHIONING AT FOOT PAD - DESIGNED FOR EVERYDAY AND ACTIVE WEAR