Truform Compression Pantyhose, 30-40 mmHg, Sheer Truform Model 0255 for women is a very firm, graduated pantyhose designed with comfort in mind Doctor-recommended to help relieve leg fatigue, swelling of the legs and feet; helps foot circulation; ideal when sitting or standing for long periods of time and for those with diabetic needs Features flat panty seams and ventilated cotton panel for an inconspicuous, comfortable fit Made in the US and FDA approved to assure quality and successful treatment Silky, smooth-knit texture and soft stay-up top designed for wearing comfort; flexible but snug fit ensures pantyhose remains in place throughout the day Higher compression levels will impact fit and may create a false impression that size is too small. Always confirm your correct compression level prior to fitting. Higher levels of compression are harder to apply and remove. Users with limited strength should choose a lower level of compression. <span class="a-text-bold"><span class="a-text-italic">Fashionable Sheer Knit</span></span> - 30 denier dress nylon hose for casual, business, or formal wear. <span class="a-text-bold"><span class="a-text-italic">Flat Seams</span></span>- For inconspicuous fit under clothing. <span class="a-text-bold"><span class="a-text-italic">Knit-In Heel </span>- </span>Defined, reinforced heel pocket adds durability and stocking orientation for anatomical fit. <span class="a-text-bold"><span class="a-text-italic">Comfort Toe</span> - </span>Roomy toe box will not compress toes and eliminates pressure and chaffing on sensitive feet. <span class="a-text-bold"><span class="a-text-italic">Graduated Compression</span> - </span>Graduated compression technology is greatest at the ankle and decreases gradually up the leg to promote healthy circulation.