Not praised nearly enough, seamless underwear is an absolute must for your top drawer and – good news incoming – there are full-coverage options as well as G-strings and thongs on the market these days. Some of the best bras come in the seamless variety, too, so you can rest assured that your outfit will be smooth from top-to-toe. Best seamless underwear 2023 by category:

Hayley Prokos, Byrdie’s Associate Fashion Commerce Editor, wrote this article. After hours of researching and chatting with our expert, she gathered enough insight to determine which seamless underwear styles are worth buying. Seamless underwear is available in various cuts, ranging from thongs to bikinis to briefs. Each style provides a different amount of coverage and feels different on your body, so think about how much skin you want to show and how supportive you want your underwear to be when considering the cut of your seamless underwear.When you find the perfect pair of seamless underwear, it’s like finding a new and true friend. It allows you to feel comfortable and confident in the way you look and move, and you can trust that when it makes a promise (e.g., to keep you line-free in every outfit), it’ll pull through every time. French-cut panties are quite similar to the classic briefs, but they have lower-cut legs and provide less coverage. They have a retro feel about them and they are also known as high-cut panties. If you love wearing high-waist jeans, then french-cut panties are meant for you. You can also pair them with high-waist skirts and other bottoms. Whether it’s a particularly tight wedding guest dress, skort, slip, loungewear or pair of gym leggings you’re planning to wear, don’t let your undies ruin it. You needn’t spend a fortune on ensuring your outfit is fail-safe, either, the high-street has some top-performing options for you to shop alongside or instead of the designer lingerie brands. What is the best seamless underwear all-round? Find out below.

For those who gravitate towards a fuller-coverage hipster style, this is Byrdie’s best recommendation. According to the brand, these are the world's first carbon-neutral edgeless underwear. "Universal is made with OEKO-TEX-certified recycled fabrics and utilizes a 100% organic cotton gusset," explains Conlin. "Parade's smoothest fabric ever molds to the shape of your body for a second-skin feel." Not only are these underwear super soft, but they also offer a wide size range. Another plus? Parade gives 1% of sales to organizations dedicated to social good. Erika Harwood, Byrdie's Senior Style Editor is a fan. She says, "When in doubt, I always end up reaching for a pair of Parade's buttery soft undies. They feel like you're wearing nothing and come in the most vibrant colors.” When you have your period, reach for this seamless pair of period panties from Modibodi. It stands out from the others on our list because it’s designed to hold two to three tampons worth of liquid, making it suitable for moderate to heavy periods, as well as bladder leaks and discharge. The recycled nylon and spandex material features tech that can absorb your body fluids throughout the day, without leaving any unwanted moisture or odor behind. Plus, the period panties are Oeko-Tex Standard 100-certified, which means they’ve been tested for harmful substances and found safe. Tamara Conlin, vice president of Product Operations & Strategy at Parade, offers some guidance if you're in the market for this aforementioned pal. "True seamless underwear has an edgeless design—no lines under clothes, even leggings," she says. "When shopping for seamless underwear, it's best to look out for these second-skin materials and fabrics, and to find a pair that shows no lines at all." If you’re looking for something that’s comfortable yet sexy, then a thong is your go-to option. It sits around three inches below the waist and features a triangular patch on the front. The sides rest on the hip bone, offering minimal butt coverage. Opting for thongs is the best way to escape the embarrassing panty lines. So, the next time out headed out for a date and confused about the underwear, opt for thongs. All seamless underwear is meant to be no-show, but not all no-show underwear [is] seamless,” says Caldwell. Some no-show underwear, for instance, have seams at the hip or top to ensure a tight fit, while others may have seams underneath despite a smooth, lineless look on the outside. “True seamless underwear has no seams whatsoever,” Caldwell explains, who adds that they are made from “one piece of material with no cuts or seams.”Many pairs of seamless underwear are made from nylon, which is a soft, stretchy, and typically thin material. Other common materials for seamless underwear include cotton, lace, and bamboo—the latter of which is ideal for sensitive skin. These types of underwear are often made with fabric blends, meaning they may also contain spandex or elastane for added stretchiness. In my 10-plus (I'm not going to give away my age here) years of working in fashion journalism, I don’t recall ever being so consumed by a product I’ve researched. I’m not alone; of all the experts I’ve interviewed for InStyle and elsewhere, no subset of people have given such thorough insights and compelling arguments as the lingerie specialists, curve models, and body diversity advocates you’ll meet below. It seems if you’re into lingerie, you’re really into it. Like all underwear, seamless pairs come in tons of colors—and whichever options you choose depends on your personal taste and needs. Neutrals and nudes can be great for clothing that’s less opaque than others. (When wearing white pants, you should wear underwear in a color that matches your skin tone.) On the other hand, bright colors and bold patterns can simply feel more fun . Questions You Might Ask What’s the difference between seamless and no-show underwear? Similar to men’s briefs, boy shorts are rectangular on the thighs. These panties feature low-cut legs and you can safely use them under fitted clothes. If you want to wear a body-hugging dress and if you’re looking for a suitable underwear to pair with it, you can opt for boy shorts. They also make for a good option for swimwear . They provide good coverage and you can also wear them for the night to doze off comfortably.