Pros: Made of eco-friendly bamboo viscose, made to prevent chafing, moisture-wicking, and breathable. We especially like this pair of seamless underwear from Soma’s Vanishing Edge line, which has lace sides to create an elegant but not over-the-top look. Case in point: This smooth option with a cotton gusset that’ll look invisible under pretty much everything.

The back has medium coverage, and the brief design works well under all kinds of outfits and materials. You can find out more about our use, change your default settings, and withdraw your consent at any time with effect for the future by visiting Cookies Settings, which can also be found in the footer of the site.

The seamless underwear has a high-waist design that will feel like a second skin, adapting to your body as it changes throughout your pregnancy. Keep in mind that the raw-cut edges can fray a bit easily, but these briefs are still a solid pair of seamless underwear for anyone looking for a plus-size option. These medium-rise boyshorts offer full back coverage without any panty lines, and they boast a silicone grip at the front and back of the legs to keep them in place. You can choose from a whopping 27 hues, ranging from basics like beige and black to more vibrant picks like textured purple. It has a silicone waist grip that helps prevent the underwear from sliding up and down your body, as well as a full back to give you plenty of coverage.

Other common materials for seamless underwear include cotton, lace, and bamboo—the latter of which is ideal for sensitive skin. If you're looking for a completely polished surface and unwrinkled outfit, invisible bras/stick-on bras, strapless bras and seamless knickers are exactly the sort of thing you should opt for. These types of underwear are often made with fabric blends, meaning they may also contain spandex or elastane for added stretchiness. What reviewers say: “I like that this pair of underwear doesn’t cut into or irritate my upper thighs.What reviewers say: “It’s nice and not visible underneath my clothes, which is what we want, but I wish there was more cotton on the underside. This pair is definitely on the pricier end, although they’re designed to replace pads and tampons, which could save you money down the line.