Anti-Embolism knee length (Compression Socks). The most advanced anti-embolism socks available, these CAP stockings provide graduated compression for the safe and effective prevention of DVT. Features a patented floating blue heel design for maximum patient comfort and ease of use, as well as a non-slip top band with knit in gusset material for superior fit and graduation. 

Sizes:

Medium:  Regular, 8"-9" ankle circumference, 12"-15" calf circumference, 15"-17"
Large:
XLGE -  Calf Circumference: 12 - 15" (30.5 - 38 cm). Length: <17" (43 cm) 
Thigh High -