• Number of Amazon Ratings: 20,500+

Hanes’ lightweight T-shirt bra covers foam cups in silky microfiber to create flexible shaping that disappears under clothes. The adjustable straps can be crossed into a racerback for added versatility. You won’t find any wires or boning in the soft lace band, which is lined in breathable mesh and fastens with a traditional hook-and-eye closure. A decorative front gore in the same airy fabric guarantees a whisper-weight feel all around. “Normally I wear sports bras whenever possible for comfort, but these are even more comfortable as well as easier to put on,” a reviewer noted.

• Available colors: 5
• Available sizes: Small — 3X-Large

• Number of Amazon Ratings: 18,500+

Halfway between a sports bra and a bralette you’ll find this Hanes pullover bra. It’s built in a single layer of strong yet silky nylon with four-way stretch for your lightest bra ever. Targeted woven shaping panels separate the full-coverage cups, with a wide band and thicker straps wear as comfortable as a tank. No pads, no elastic, no wires — just smooth knit. “I use these mostly for lounging around the house or sleeping but they look good under a few t-shirts I have as well,” a fan remarked. “For the price and comfort I'm really happy I found these.”

• Available colors: 11
• Available sizes: Small — 3X-Large

• Number of Amazon Ratings: 63,000+

Fruit of the Loom’s cotton sports bra is double layered in the front for comfy coverage and support without any padding over a covered elastic band at the base. The thick cotton is blended with a smidge of spandex so it’s incredibly soft and ultra-breathable with the ability to withstand years of dryer cycles. And the tagless design means it’s totally itch-free. “These bras are an absolute blessing. They support me but do not create uncomfortable pressure points anywhere, and I can easily put them on and take them off,” a reviewer praised. For just $13, you’ll be stocked up with three classic bras of incredible quality.

• Available colors: 38
• Available sizes: 34 — 50

• Number of Amazon Ratings: 47,000+

For workouts that require a bit more support, this seamless sports bra was built to handle a solid sweat session. Its high-performance fabric has four-way stretch and wicks away moisture while dispersing heat, and the mesh racerback amps up breathability. Targeted knit panels and removable cups provide adequate support coupled with better security for moderate impact workouts, and several reviewers could also wear them for HIIT circuits. “Nice, thick, comfortable,” a shopper summarized. “I usually wear a regular bra under my sports bras but this isn’t necessary with these.”

• Available colors: 15
• Available sizes: Small — 3X-Large

• Number of Amazon Ratings: 11,500+

Just My Size dubs this “their most comfortable bra” ever, and it’s no wonder. The silky-strong fabric is woven with omnidirectional stretch and even wicks away sweat on hot days. Its elastic full coverage cups are separated by a center knit gore for comfortable separation with extra-wide straps over a longline fit and wide ribbed band to ensure you feel held and supported. “It’s the most comfortable bra I’ve ever worn! No it’s not the best support but it’s great for around home or with a T-shirt,” a reviewer commented.

• Available colors: 14
• Available sizes: X-Large — 6X-Large

• Number of Amazon Ratings: 52,500+

These Fruit of the Loom bralettes pack the thick cotton knit of their sports bras into a spaghetti strap version of the style with an extra layer of coverage. The body is likewise made with a double layer of fabric and also has set foam cups tucked inside (which you can easily remove if that’s not the main draw). One fan swore they were the “Holy Grail of comfortable everyday bras,” and there are nearly 7,000 five-star reviews backing them up. At $11 for three, it breaks down to less than $4 per bra — like their predecessors, they’re a fantastic bargain from a household name.

• Available colors: 29
• Available sizes: 32 — 44

• Number of Amazon Ratings: 46,000+

Playtex used clever tailoring and an eye for comfort to make their famous 18 Hour bra. Its full-coverage cups are silky and moisture-wicking with a super-soft jersey lining, while contoured side seaming and a supportive front panel provide wire-free lift. The wide shoulder straps are padded for all-day comfort and the band offers high-rise coverage under the arm — depending on the size ordered, you’ll get two to four columns of hooks and eyes on the band for your most comfortable fit. “I cannot believe how comfortable and supportive this bra is,” a shopper marveled. “It’s not flattening and stifling like the minimizers, and it doesn’t stab you with wire. It shapes very well and gives the perfect lift.”

• Available colors: 14
• Available sizes: 34C — 48DDD

• Number of Amazon Ratings: 39,000+

Over 29,000 shoppers have given this spaghetti strap padded sports bra a five-star rating since it went viral on TikTok. The longline bra looks like a crop top but in a soft performance fabric with a built-in shelf bra and removable cups. Shoppers rave about both its style and quality, and the top provides comfortable low-impact support at the gym or on the go. “I’m a personal trainer and needed something that I could workout in, then throw a sweater over during training. I really couldn’t be any happier! Can easily be used as workout clothing, or even be dressed up for a night out,” a fan gushed.

• Available colors: 23
• Available sizes: Small — XX-Large

• Number of Amazon Ratings: 18,000+

If stylish support is your goal, look no further than the RUNNING GIRL cross-back sports bra. The strappy racerback is built with thick straps across the shoulders and a wide band underneath for a cute workout bra that can more than handle a medium-impact class. Inside it’s lined with power mesh for enhanced breathability and heat transfer, plus supportive (albeit optional) foam cups tucked inside. “I train every single day and this is such a cute yet practical sports bra,” a fan gushed.

• Available colors: 29
• Available sizes: X-Small — XX-Large

• Number of Amazon Ratings: 10,500+

To further blur the line between crop top and sports bra, reach for this longline bra: those wider straps make it look like a proper tank top and may help provide comfier support if spaghetti straps tend to dig. The athletic fabric is said to feel just like Lululemon’s Align, and you’ll find a shelf bra with removable cups hidden inside. “I really didn't expect to love it as much as I do,” a reviewer confessed. “The fabric is soft and very thick,” they noted, “and it offers enough support for DD/DDD for casual wear and stretching/mobility sessions.”

• Available colors: 12
• Available sizes: X-Small — X-Large

• Number of Amazon Ratings: 12,500+

The Playtex 18 Hour Active Lifestyle bra combines athletic details with everyday comfort in a full-coverage T-shirt bra. The soft cups are lined in cotton beneath their moisture-wicking exterior for breathable absorbency that dries fast, and the padded adjustable straps have no-slip grip to keep them seated on your shoulders. Three columns of hooks and eyes on the high-rise band hug you from below. “With the amount of support I need in a bra, even the most comfortable ones begin to wear out their welcome after several hours,” a shopper wrote. “Not so with this one. It's incredibly comfortable, provides a good shape under my work clothes, doesn't leave me sweating, and has awesome support.”

• Available colors: 7
• Available sizes: 36B — 46DDD

• Number of Amazon Ratings: 14,500+

This Fruit of the Loom cotton bra wears like a classic tee, and it’s sure to become just as much of a staple. The unlined cups are cradled from beneath with a covered underwire for a natural look the provides just enough lift, plus adjustable straps and a hook-and-eye closure. “They are so comfortable. They feel like practically nothing but still offer support,” one shopper raved. For just $10, you’re set for the weekend.

• Available colors: 7
• Available sizes: 34B — 42DD

• Number of Amazon Ratings: 9,500+

When you are wearing a strapless dress or one with a plunging neckline or back, finding a bra is a challenge. If you do find a strapless one that will work, it’s often uncomfortable. This tape lets you create exactly the support you want in the shape you need. Just wrap it the way that works for you and for the dress. “I was looking for something I could wear with a low cut and backless dress and this is perfect!” says one reviewer. “It’s sticky enough to last all night, even when I am sweating. The included nipple covers are an awesome plus, too!”

• Available colors: 1
• Available sizes: One size

• Number of Amazon Ratings: 11,000+

You can turn this Hanes bralette into a racerback style without taking it off: the adjustable straps attach to the front of the cups for hassle-free versatility. The unpadded bra is lined in a buttery-soft brushed fabric for weekend-ready comfort in a multi-way knit that moves with your body. “It almost feels like I'm not wearing a bra, but it still maintains a comfortable support. I even wore it rollerblading, and it did a great job keeping everything in place without feeling uncomfortable at all,” a fan praised.

• Available colors: 5
• Available sizes: Small — XX-Large

• Number of Amazon Ratings: 8,500+

Bali’s Comfort Revolution bra features foam cups infused with stretch to create a second-skin fit and are encased in a double layer of soft, stretchy nylon with knit support. The adjustable straps are a little wider than average to reduce the likelihood of digging in, and they’re placed to stay put but convert handily into a racerback if you want added security. “If there were such a thing as a soulmate bra, this would definitely be mine,” a reviewer gushed. “The straps never slip, a problem I constantly have with practically every other bra, the band never digs into me, and it helps smooth.”

• Available colors: 6
• Available sizes: 34B — 42DD

• Number of Amazon Ratings: 6,500+

The Hanes SmoothTec bra promises shaping and support in a lightweight convertible build. Soft foam cups are encased in silky microfiber so even your thinnest knits drape without clinging, and the longline band features bonded edges to help it disappear under clothes while ensuring an extra-supportive fit. “I usually prefer bras with underwire and that are thicker, just for a nicer shape and good coverage. This bra provides both of those things without the underwire or the thickness,” a fan wrote. Convert the adjustable straps any time you need a racerback bra.

• Available colors: 7
• Available sizes: Small — 3X-Large

• Number of Amazon Ratings: 4,000+

This T-shirt bra is an all-purpose must-have. Its molded cups and bonded edges on the band ensure a totally smooth look under clothes in a silky microfiber that clingy knits glide right over. The underwire support is sturdy but not inflexible with classic adjustable straps and four levels of tightness on the hook and eye back. “This is a high quality bra, especially for the price. It's really soft too,” one convert noted.

• Available colors: 6
• Available sizes: 30A — 40DDD

• Number of Amazon Ratings: 4,000+

Calvin Klein’s Invisibles bralette delivers a low-profile style with invisible support. The silky-smooth microfiber is light and thin with reinforced seams set back from bonded edges to ensure sturdy construction with an invisible finish. There are two ultra-thin pads tucked inside — dealer’s choice if you keep them or not — and the band is lightly contoured for natural shaping and finished with two adjustable straps. “These bras are like if you combined a sports bra and those seamless panties,” a shopper explained and vouched that they were “incredibly soft, stay in place, and don't show any lines through clothes.”

• Available colors: 14
• Available sizes: X-Small — X-Large

• Number of Amazon Ratings: 4,000+

For minimalist comfort with coverage that can slip under button-downs and V-neck tops, you’ll want this Calvin Klein bralette. The subtle plunge front won’t show under deeper necklines while providing the same invisible finish against your skin — plus the added bonus of adjustable straps that convert into a racerback. You still get two removable cups for custom coverage, too. “This bra is a revelation. It's lightweight and comfortable. It doesn't poke, pull, or dig into your skin,” a ran raved.

• Available colors: 17
• Available sizes: X-Small — X-Large

• Number of Amazon Ratings: 3,900+

When less is more, slip on this athletic bralette. The demi-cut triangle front offers pared-down coverage (though you still have the option for cups) in a quick-drying fabric with four-way stretch. An adjustable spaghetti strap racerback that rises high between the shoulder blades ensures they’ll never slip off. “I wear them all day & sleep with them at night. They are that comfy,” a reviewer swore.

• Available colors: 7
• Available sizes: Small — Large

• Number of Amazon Ratings: 2,300+

Free People’s Adella bralette is a fashion girl essential for its luxe looks whether you’re layering it beneath a drapey tank or dressing up for a night on the town. Intricate guipure lace is lined with super-soft triangle cups and a longline band and gossamer-thin spaghetti straps create a crossover effect to frame the shoulder blades. (Bonus: all four of them are fully adjustable.) “So I bought this purely for looks,” a shopper confessed. “I totally assumed it would be lacy and scratchy as heck. I was extremely pleasantly surprised to find it very comfortable. Like maybe the most comfy bra I own!”

• Available colors: 8
• Available sizes: X-Small — X-Large

• Number of Amazon Ratings: 2,500+

Calvin Klein’s triangle racerback bralette puts a French girl spin on American athleisure. The seamed cups create a contoured shape reminiscent of soft lingerie with a glowy satin band that still features a legendary logo. Inside you’ll find flexible cups for the option to enhance your coverage, and the delicate spaghetti straps on a narrow racerback lend a sporty, loungeable edge. “It’s so soft! I love that the straps are thin (they stay in place, no slipping) and it’s a racer back, the band feels supportive but not too tight,” one reviewer commented, although some fans advised sizing up for a better fit.

• Available colors: 14
• Available sizes: X-Small — X-Large

• Number of Amazon Ratings: 180+

This two-toned lacy bralette is great to layer: the delicate lace will peek out of a T-shirt or tank, but the high-necked design goes just as hard in the yoga studio as it does at home. The lacy racerback with a keyhole cutout gives you plenty of room to move with coverage to the collarbone for a confident downward-facing dog. “This bralette is really pretty and comfortable. It looks very delicate but has held up very well to regular wear over the last few months,” one shopper gushed.

• Available colors: 3
• Available sizes: X-Small — Medium

• Number of Amazon Ratings: 2,100+

Amazon fans are stocking up on these strappy sports bras, which come in coordinated sets of soft muted colorways that wouldn’t look out of place in a pricier fitness boutique. Four slim yet sturdy racerback straps criss-cross the shoulder blades over a longline band for comfortable hold. It’s moisture-wicking with reinforced seams that can weather your workout, and it has optional pads inside the seamless build. “I rotate exercises and do yoga/walking, cycling, and strength training. These fit great and work great for all of those. I also wear them around the house and to bed,” a reviewer praised.

• Available colors: 19
• Available sizes: Small — X-Large

• Number of Amazon Ratings: 3,100+

It might as well be boutique: this lacey bralette is the ultimate WFH layer. Its rayon lace mesh fabric has a retro lacy look. The deep plunging neckline is sensual and functional. And there are no pads but it boasts wide shoulder straps so it’s comfortable. The delicate lace on the back elevates the look of anything garment you might plan to let this peak out of. It’s a gorgeous piece that’s also super comfortable. “This is probably the most comfortable thing I have ever worn. It feels like I’m not wearing a bra.. and that’s the ultimate goal right? I feel super cute and I love the intricate detail in the lace,” a reviewer noted.

• Available colors: 4
• Available sizes: Small — XX-Large

• Number of Amazon Ratings: 1,100+

Whisper-weight and impossibly pretty, the b.tempt’d Lace Kiss bralette might be the most natural-looking and feeling option on this list. Its gossamer lace cups are supported by a hidden elastic stitched stitched into the top of the band with delicate adjustable straps and stretchy pull-on closure. “This bralette is very comfortable, I don't find it as scratchy as some of the other lace options and the seams don't created awkward lumps. It's also very cool on hot days as there is no lining,” a shopper pointed out.

• Available colors: 9
• Available sizes: Small — X-Large