Juzo Dynamic is the brand's most durable compression line, engineered with a robust knit that resists snags and pulls while maintaining graduated compression all day.Features AK Shrinker Compression class: 30-40 mmHg w/ 3.5cm Silicone Top Band Available sizes: I (Extra Small), II (Small), III (Medium), IV (Large), V (Extra Large), VI (2XL) Available lengths: 8", 10", 12", 14" About this compression class30-40 mmHg is extra-firm compression - used for more severe edema, lymphedema management, and venous insufficiency.Care & sizingHand wash or machine wash on a delicate cycle in cool water. Do not bleach. Hang dry - do not tumble dry, iron, or dry clean. Refer to the Juzo size guide on this page to find your correct size by measuring the appropriate body circumferences. For best results, replace your garments every 4-6 months of regular wear.