They have a barely-there feel that’s lightweight, breathable, and as comfortable as you could want in a pair of underwear. This three-pack of bikinis from New Balance is designed to keep you feeling comfortable while you work out. star average online, people love that they're very thin but not see-through, fit well, and disappear under clothing.

This entirely sheer style sits high on the hips and has a Brazilian back, which is perfect for those who like a little less coverage around the butt. For the coverage and security of briefs matched with a seamless style’s disappearing capabilities, these mid-rise thongs have a wide waist that's bonded and well-fitting. In addition, its seamless structure fits perfectly around the waist and compliments the look of your body, no matter the size.The sleek bikini-style underwear has a breathable cotton gusset and silicone at the leg openings so that it stays in place. If you can’t get enough of the look and feel of high-waisted underwear, definitely consider this excellent pair from Commando.

Crafted in the brand’s New York atelier, this V-shaped style is trimmed in whisper-weight lace, matching the label’s Coquette demi and soft-cup bras. Ahead you’ll find low-rise styles that will disappear under just about anything in your closet as well as high-waisted thongs that hit near the navel, plus pairs that fall in between with a wide band that stays in place through squats. 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. The seamless bikini is machine-washable, although you might want to wash it by hand just to be extra careful with the lace.

Seamless lace underwear is the perfect combination of comfort and sexiness because it is light, decorative, and shows skin under its fashionable patterns. Because of their seamless nature, these bikinis also help eliminate the possibility of chafing along the seams—and the elastic waistband gives you extra room to move around as you exercise. They're also seamless under form-fitting dresses, so you don't have to worry if they person behind you could see your underwear lines. 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.