Double strength + D

Raised edges allow water to drain into the sink without messes

no stretch cotton ensures patient safety and comfort

Sterile packaging

Active Fluid Management® and SelectSilver® which sustained release silver ion technology

Performance Sock Calf, 20-30 mmHg, Size LM, Closed Toe, Black Cervical Collars Double strength + DSigvaris Sports Performance Calf High Compression Socks Long Medium, 20 to 30 mmHg Compression, Black, Unisex, 12 1 2" to 17 1 2" Calf Circumference, Closed Toe Sigvaris has combined the efficacy of true medical grade graduated compression with sports technology to bring you the Athletic Performance knee high compression sock. From the occasional runner to the dedicated Iron Man athlete, this dynamic sock will keep the blood in your legs circulating