Seen women's seamless wireless halter triangle sports bra, showing soft fabric, supportive fit, and stylish design.

Seen women's seamless wireless halter triangle sports bra, soft fabric, and supportive design perfect for active wear.

Seen women's seamless wireless sports bra with halter triangle design, shown in black with smooth fabric and supportive fit.

Women’s seamless wireless sports bra with halter and triangle design, seen in black with smooth fabric and supportive fit.

Seen women's seamless wireless sports bra with halter triangle design, shown in black fabric with smooth, supportive fit.

Seen women's seamless wireless halter triangle sports bra with supportive fit and smooth fabric for comfortable active wear.

Seen women's seamless wireless halter triangle sports bra with a smooth fit and supportive design, shown on a white background.

Women's seamless wireless halter triangle sports bra by seen, shown in a close-up view highlighting its smooth fabric and supportive design.

Women’s Seamless Sports Bra – Wireless Halter Triangle

Over 15.000+ satisfied customers

$80 $49.95 Save $30.05

COLOR

Women’s Seamless Sports Bra – Wireless Halter Triangle

Limited stock available

Size Chart

SIZE	BUST	WAIST	HIPS	HEIGHT
XS	76–81	58–63	84–89	158–163
S	81–86	63–68	89–94	163–168
M	86–91	68–73	94–99	163–168
L	91–97	73–79	99–105	163–170
XL	97–104	79–86	105–112	165–172

SIZE	BUST	WAIST	HIPS	HEIGHT
XS	30–32"	23–25"	33–35"	5'2–5'4"
S	32–34"	25–27"	35–37"	5'4–5'6"
M	34–36"	27–29"	37–39"	5'4–5'6"
L	36–38"	29–31"	39–41"	5'4–5'7"
XL	38–41"	31–34"	41–44"	5'5–5'8"

Size XS XS S M L XL

30-Day Easy Returns

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Amelia, Grace, Mia and 75k+ women wear seen

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Women’s Seamless Sports Bra – Wireless Halter Triangle

Women’s seamless sports bra wireless halter triangle designed for a clean, sculpting fit that enhances natural shape while delivering lightweight support. The halter neckline and triangle silhouette create a flattering, minimal look, while the seamless construction ensures smooth contouring and all-day comfort. Designed to move effortlessly with your body, this sports bra blends performance with elevated athleisure styling.

Gym, Yoga & Athleisure Versatility

This sports bra women essential offers flexible support with a wireless design that prioritizes comfort without compromising shape. The sculpting fit adapts to your movement, making it ideal for both active sessions and everyday wear. Perfect for:
gym workouts
yoga
pilates
running
athleisure wear

Breathable Stretch Fabric & Lightweight Comfort

Engineered with breathable stretch fabric, this seamless sports bra delivers soft compression, shape retention, and sweat-wicking performance. The lightweight material keeps you cool and comfortable while maintaining a supportive feel throughout your workout or daily routine.

Material:
78% Nylon
22% Spandex

Why you'll love it:

• Sculpting seamless support
• Flattering halter triangle design
• Breathable stretch fabric
• Lightweight supportive fit
• Perfect for gym, yoga, pilates, or everyday wear

Shipping information

Free Worldwide Shipping.

We make it our top priority to keep our customers happy. That's why we'll keep you updated on your order: Link

Order Cutoff Time

Orders placed before 12:00 PM (AEST / AEDT) on business days are processed the same day.

Processing Time: 3 business days.

Delivery Time

Standard delivery time: 4–5 business days
Total delivery time including processing: 7–10 business days

30 Day easy returns

We offer a 30-day return or exchange policy if you are not satisfied with your order for any reason. For more information, please see our Returns & Exchanges page.

Customer Support

Our customer service team is available Monday to Friday, 9:00 AM – 5:00 PM (AEST/AEDT)

Reviews −

Over 15.000+ satisfied customers

1 days ago

This colour is everything right now

ok the baby blue in person is SO much prettier than on screen — it's this soft, clean sky tone that looks incredible against any skin tone. The halter sits perfectly, the thin cross straps lie completely flat on the back, and nothing digs in anywhere. I've worn this to multiple pilates sessions and the support is genuinely solid for the movements involved. seenessential keeps releasing pieces I can't say no to.

4 days ago

Didn't expect to love a pastel this much

I usually stick to black for everything but something about this blue pulled me in. Really glad it did. The V-neckline is flattering, the halter tie sits comfortably at the neck without digging, and the wide underband stays in place through a whole session. Went up one size from my usual and it's perfect — just something to note if you're unsure.

7 days ago

The back detail on this is so clean

The thin cross-back straps look incredibly elegant from behind — minimal, clean, just the right amount of detail. I wore this to yoga yesterday and went through a full flow including inversions and nothing shifted once. The bra pads sat exactly where they started and the halter stayed secure throughout. It's the kind of top that looks effortless and actually performs.

10 days ago

Really pretty but the halter isn't adjustable

I'm on the taller side and the halter strap length isn't adjustable — it sits slightly lower than I'd ideally want. For average height it's probably perfect. The bra itself is really lovely and the baby blue is gorgeous. Still wearing it for lower-intensity sessions where the fit difference doesn't matter as much.

13 days ago

I wore this and someone thought I was an influencer lol

Not joking. The baby blue with the minimal back straps photographs so well. But more importantly it actually works — I wore it to a padel session, moved constantly for ninety minutes, and the halter tie didn't loosen once. The support from the wide underband is genuinely solid and the V-neckline doesn't gap during movement. First order from seen and I already know it won't be the last.

4.5

16 days ago

Skeptical about pastel activewear — converted

I always thought pastel sports bras were more aesthetic than functional. This one genuinely proved me wrong. The halter construction is secure, the underband doesn't roll or shift, and the bra pads sit perfectly even after multiple washes. The colour is beautiful in real life and looks even better paired with white or cream bottoms.

19 days ago

Studio to brunch without changing

Tucked this into high-waist jeans after my morning session and wore it for the rest of the day. The baby blue is so versatile outside the gym — it reads more fashion than sporty in everyday settings. The halter neckline looks beautiful with a low ponytail. seenessential has this ability to make activewear that genuinely crosses over into regular life and this is a perfect example.

22 days ago

Beautiful but fussy to wash

The bra itself is stunning and fits really well. But having to hand wash or use a delicate cycle for something I wear to work out multiple times a week is kind of annoying. Small inconvenience in the grand scheme of it. Still wearing it constantly because the colour and fit are too good to give up — just mentally prepare for the laundry routine.

25 days ago

The support is better than it looks

From the photos it looks more like a fashion piece than a functional sports bra — it's so minimal and clean. But the support is genuinely impressive. The wide underband holds everything in place and the V-neckline sits flat during movement without any gapping. I ran in this for the first time last week and was genuinely surprised by how secure it felt throughout. Nothing bounced, nothing shifted.

28 days ago

Better than I expected for a halter style

Halter bras have always been hit or miss for me — usually the tie loosens mid-workout and then you spend the rest of the session fixing it. This one stayed exactly where I tied it for a full gym session. The baby blue is really a stunning colour and the back detail is so minimal and clean. Took off one star because the bra pads shifted slightly after the third wash — still wearable, just a minor thing.

31 days ago

I ordered the black one too immediately after

Started with the blue, wore it once, ordered the black the same evening. The halter sits so comfortably — no neck dig, no strap twist, nothing. The wide underband is such a nice structural detail and keeps everything totally secure. Bra pads have stayed perfectly in place through every wash. This is just a really well-thought-out bra top.

4.5

34 days ago

Looks even better in person

The baby blue online looked nice. In person it's this really clean, soft sky tone that's genuinely beautiful. The V-neckline is flattering and the back straps are delicate without feeling flimsy. I'm between sizes and went up one — fits really well. Still testing after a handful of wears but so far I'm impressed.

37 days ago

My whole friend group has this now

I wore it to our weekend padel session and two people ordered it before we even got off the court. The baby blue looks so fresh against all the black activewear everyone else wears and the halter back is really striking. Performs perfectly for sport too — nothing moved the whole session. seenessential is slowly taking over my entire wardrobe and I'm fine with it.

40 days ago

Nice but I've had similar before

It's a pretty halter bra top and it fits well. I just didn't get that 'omg' moment I was hoping for — I have similar styles from other brands that I feel equally about. Nothing wrong with it at all. The colour is lovely and the back straps are clean. Still wearing it regularly, just not the standout piece I expected.

43 days ago

This is what I've been searching for

I wanted a sports bra that actually looks put-together while still providing real support — not one or the other. This is it. The V-neckline is elegant, the cross back straps are clean and minimal, and the wide underband keeps everything secure without digging. I wore it to a hot yoga class and moved through every position without thinking about the top once. The bra pads didn't fold or shift at any point.

46 days ago

Worth the price once you actually wear it

I held off because I wasn't sure if a halter sports bra was worth spending this much. One session in and I understood. The construction is really solid — the underband is wide and smooth, the halter tie is secure, and the bra pads haven't moved through six washes. Compared to cheaper options I've bought recently, this holds up so much better.

49 days ago

The baby blue is a whole vibe

Wore this paired with white leggings and honestly felt like a whole Pinterest board. The colour is just so fresh and the minimal halter back looks stunning. But beyond the aesthetic — it's actually a really functional bra top. Supportive enough for a full gym session, comfortable all day, and the bra pads stayed exactly in place throughout and after washing.

52 days ago

Wore this for running — surprised me

I bought this for studio use but grabbed it one morning for a run because it was the only clean bra I had. Genuinely held up way better than I expected for a halter style. The underband kept everything in place and the halter didn't loosen over the whole distance. Not what I'd choose for a long run every time but for a lighter session it works really well.

55 days ago

Effortlessly flattering

Something about the V-cut and the way the fabric lies completely smooth and flat just works. No bumps, no weird lines, nothing. The baby blue is such a flattering colour against warm skin tones and the halter neckline is delicate without being impractical. I've worn this probably fifteen times already. Still looks and feels exactly the same.

58 days ago

The blue reads slightly greener than expected

On my screen it looked like a pure sky blue — in person it has a slightly cooler, more grey-green undertone depending on the lighting. Not a dealbreaker at all, the colour is still really pretty. Just something to keep in mind if you're very specific about your blues. The fit is genuinely lovely and I wear it constantly. Just flagging the colour for anyone particular about it.

61 days ago

The underband is the detail that sold me

I was a bit worried about a halter style for anything beyond low impact. But the wide underband on this provides so much more stability than the straps alone — it keeps the whole structure anchored and nothing shifts during actual movement. I wore it for a full pilates reformer session and felt completely secure. The back looks beautiful, the front V is flattering, and the pale blue is so elegant.

4.5

64 days ago

Didn't plan to reorder but I did

Bought one, wore it to the point of obsession, ordered a second as a backup. The halter sits really comfortably all day — not just during workouts but if I keep it on after too. The colour is genuinely beautiful and the back is so minimal and clean. Multiple washes and nothing has changed. Really happy overall.

67 days ago

Bought it for the colour, kept it for the fit

The baby blue is what first caught my eye — it's so different from everything else in my wardrobe. But what made me a repeat customer is how well it actually performs. The halter tie stays put, the bra pads sit flat and haven't folded after multiple washes, and the underband gives proper support without digging. Wore it to yoga and then kept it on the rest of the day.

70 days ago

A bit pricey for a bra top but I keep reaching for it

It's not the cheapest option out there but at this point cost per wear is genuinely excellent. I reach for this more than almost anything else I own for the studio. The halter tie construction is solid and the underband keeps everything perfectly stable. Comfortable is actually the word that keeps coming to mind — even after a long session.

73 days ago

This top made me reconsider pastels entirely

I've always been a black activewear person. This baby blue bra genuinely converted me. The colour is so soft and fresh and the halter back looks incredible in motion. I wore it to a yoga flow and a coffee catch-up the same morning — both worked, neither looked out of place. The bra pads have stayed in place through every wash, and the whole thing still looks brand new. seenessential just keeps winning.

4.5

76 days ago

After loads of washes — still perfect

I've had this for months and the baby blue hasn't faded, the shape hasn't changed, and the bra pads are still sitting exactly where they should be. That consistency is the most important thing for me and this delivered completely. The halter tie is comfortable all session and the V-neckline doesn't gap during movement.

79 days ago

Lovely top — just not enough support for bigger busts

I'm a D cup and found the halter style alone doesn't give me the support I need for anything beyond low intensity. The bra is genuinely beautiful — the colour, the back straps, the V-neckline are all perfect. It works great for studio sessions and casual wear. Just wanted to flag for anyone with a bigger chest that it might not be your go-to for higher impact. Still wear it all the time for the right activities.