Seen women's seamless wireless halter triangle sports bra with soft fabric and supportive fit, ideal for active wear.

Women’s seamless wireless halter triangle sports bra by seen, showing soft fabric and supportive design for active wear.

Seen women's seamless wireless sports bra with halter triangle design, offering comfortable support for active wear.

Seen women's seamless wireless halter triangle sports bra with soft fabric and supportive fit, shown on a neutral background.

Women’s seamless wireless halter sports bra by seen, featuring triangle design and comfortable fit for active wear.

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

Seen women's seamless wireless halter triangle sports bra with smooth fabric and supportive fit, designed for activewear.

Seen women's seamless wireless sports bra with halter and triangle design, shown in black on a plain background.

Over 75.000+ satisfied customers

Women’s Seamless Sports Bra – Wireless Halter Triangle

£80 £39.95 Save £40.05

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

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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

The most flattering bra top I own

ok I was NOT expecting to feel this good in a triangle halter bra. The V-neckline sits so perfectly and the open back is elegant without being too revealing. It looks effortless on — the kind of piece that just works on your body without any fussing. I wore this to yoga and felt completely secure through every pose, including inversions. Nothing shifted, nothing dug in. seen really got this one right.

4 days ago

Better support than I expected from this style

ngl I was skeptical about how much support a triangle halter style could actually give. Pleasantly surprised — the underband is wide and firm enough to actually hold things in place during low to mid intensity training. The thin straps sit comfortably without digging and the open back is such a nice detail. Took off one star because the halter tie is not adjustable — works fine for my height but might be an issue for taller girls.

7 days ago

The back detail on this is insane

Photographed it for my story and the messages I got asking where it was from were unreal. The open back with the thin halter straps creates this really elegant line and the wide underband grounds it perfectly. It's one of those pieces that just looks more expensive than it is. Multiple washes and the black is still completely crisp — no fading, no shape change.

10 days ago

Love the look, care instructions are fussy

The bra is genuinely beautiful and the fit is really flattering — the V-neckline is perfect and the open back is gorgeous. But hand wash only for something I wear to train multiple times a week is a bit annoying. Minor thing and I still reach for it all the time. Just something to factor in.

13 days ago

My go-to for pilates, no competition

I needed a bra top that looks good, moves well and doesn't constantly need adjusting on the reformer. This is it. The halter tie stays exactly where I knot it for the entire class, the V-neckline doesn't gap during movement, and the underband stays flat without rolling. seenessential is the only brand I've reordered from this fast — already have the second colour in my cart.

4.5

16 days ago

I've had similar bras — this one is genuinely above average

The seamless construction means there are literally no irritating seams anywhere, which sounds like a small thing until you've spent a workout being annoyed by one. The triangle cup shape is flattering without being padded or structured — it sits cleanly on the body. Multiple washes and it still looks the same. Really happy with this.

19 days ago

Studio to street, no second thought

I wear this under a blazer for coffee, under a sheer top for brunch, and on its own for training. The seamless black triangle shape is versatile in a way most sports bras aren't. The halter ties look intentional rather than athletic. seenessential pieces just translate beyond the studio so naturally — this one especially.

22 days ago

Beautiful but not enough support for my chest size

I'm a D cup and was hoping this would work for me. The triangle shape is genuinely stunning and the fit across the band is great — but for my bust it just doesn't provide enough hold for anything beyond very low intensity movement. For smaller chests I think this would be perfect. I still wear it as a lounge piece because it looks amazing. Just flagging for anyone on the fuller side.

25 days ago

The thin halter straps don't dig — at all

Every thin-strap halter bra I've owned before this one has eventually started digging into my neck after an hour. These don't. The strap construction is smooth and sits comfortably even after a full padel session. The seamless finish means there's nothing to create friction anywhere on the body. I feel genuinely confident in this from every angle.

28 days ago

Held off, then caved — it was worth it

I kept looking at this and convincing myself I didn't need another black bra top. I was wrong. The seamless triangle shape is genuinely more flattering than my other options and the open back is such a nice detail to have while running — keeps you cool without any restriction. It's not the cheapest bra top option but it holds up in a way cheaper alternatives really don't.

31 days ago

Wore this on a long travel day and never wanted to take it off

Packed this for a weekend trip and ended up wearing it basically the whole time — under a linen shirt, on its own at the hotel, to a beach workout. The seamless construction means it's comfortable for hours without any pressure points or irritation. The wide underband gives enough structure to actually feel secure without being a full sports bra. seen really nailed the balance on this one.

4.5

34 days ago

Looks way better on than in photos

Product photos don't capture what the open back looks like on an actual body — it's so elegant. The thin halter straps create this really clean line from the V-neckline over the shoulders and down. I'm between sizes and sized up — perfect fit. Still testing but absolutely no complaints after several wears and washes.

37 days ago

My whole gym bag has seenessential in it now

Started with this bra top, loved it, kept going. The seamless triangle style is my favourite silhouette for training — it's clean, minimal, and somehow works for everything from a gym session to grabbing coffee after. The wide underband is the detail that makes it actually functional rather than just pretty. I've washed it so many times and the black hasn't faded at all.

40 days ago

Works really well for yoga — exactly what I needed

I've been looking for a bra top I can actually wear through a full yoga practice without it becoming a distraction. The seamless construction means no digging seams during twists, the open back stays flat in every backbend, and the halter sits comfortably at the neck without pressure. It's not for high-impact training but for yoga and studio work it's perfect.

43 days ago

Simple, clean, and totally flattering

Sometimes the minimal pieces are just the best pieces. No extra details, no padding, no structure — just a really well-fitted seamless halter bra that sits perfectly and stays there. I wore it to a gym session and then kept it on all day and it was just as comfortable at hour eight as hour one. The V-neckline is flattering from every angle and the open back is gorgeous.

46 days ago

Nice but the tie isn't adjustable

I'm on the taller side and the halter strap length is fixed — it sits fine but slightly looser at the neck than I'd prefer. Not a dealbreaker at all and the bra fits really well in every other way. The seamless finish is smooth and the open back is lovely. Just worth knowing if you're tall or have a longer torso. Still wear it all the time for lower intensity sessions.