Wearing Comfort: JOBST Comprinet pro Anti-Em consists of a soft and seamless circular knit fabric with a smooth toe seam. The air-permeable fabric further contributes to a comfortable wearing experience. Non-Slip Thigh Band: No fold back or wrinkling of the fabric. Hi stretchability: Highly extensible and airpermeable textile, maintains the pressure profile. Expanded Sizing: With calf circumferences up to 26"/66 cm and thigh circumferences up to35.5"/90 cm, JOBST« Comprinet« pro Anti-Em covers large range of sizes. Reciprocated Heel. Color Coded Toe Viewing Window: Allows for quick and easy assessment of condition of nerves and blood vessels. Color coded toe indicates different sizes.