Skip to product information

Vespera Square Neckline Full-Bust Demi Bra, Wide Straps, Seamless - HSIA

Vespera Square Neckline Full-Bust Demi Bra, Wide Straps, Seamless - HSIA

Regular price $36.99
Regular price $36.99 Sale price $49.99
Sold out
 
black
black
Beige
Beige
Light Purple
Light Purple
Medium Dark Green
Medium Dark Green
 
 

HSIA Seamless Square-Neck Bra

Seamless · Square Neck · Truly Invisible

Meet the HSIA — the bra you'll forget you're wearing. A smooth, bonded second-skin in a universal nude that disappears under everything in your closet. No lines. No peek. Just effortless, comfortable you.

  • Fully Bonded
  • Square Neckline
  • Adjustable Straps
  • Small to Fuller Cups

Modern Minimalism, Made to Be Forgotten
Crafted from an ultra-fine seamless bonded knit, the HSIA is the everyday bra you stop thinking about — because it finally gets out of your way. Every edge is fully bonded for a truly invisible finish. A contemporary square neckline stays hidden under V-necks, tanks, and off-shoulder layers. And fully adjustable graduated straps scale with your size, so the fit moves with you instead of fighting you. Smooth, lightweight, and unlined, it lets your natural shape breathe — your skin, only better. Complete the set with the matching Aura Seamless Mid-Rise Brief in the same universal nude.

Why You'll Love It — Five Reasons It Earns Its Place

01 · Seamless & Truly Invisible
Say goodbye to bra lines. Fully bonded edges and seamless construction give you a smooth, no-show finish under your lightest knits and tightest tanks — nothing peeks, nothing pinches.

02 · Modern Square Neckline
Wear the necklines you actually love. A clean, contemporary square cut stays hidden under V-necks, tanks, and off-shoulder layers — so your outfit, not your bra, gets the attention.

03 · Unlined Second-Skin Feel
Smooth, lightweight, and unlined for a natural shape with breathable, all-day comfort. No padding, no pushing — just your shape, supported quietly.

04 · Adjustable Graduated Support
Sized to actually fit. Size-graded strap widths and smooth sliders let you dial in a personalized, zero-slip hold that moves with you — small to fuller cups, equally supported.

05 · The Matching  Brief
Make it a set. The seamless mid-rise brief in the same universal nude disappears under anything you wear — so the whole look stays invisible, top to bottom.

Fit & Style Tips — The Quiet Hero of Your Warm-Weather Wardrobe
Think of the HSIA as the quiet hero of your warm-weather wardrobe. The bonded seamless construction makes it the ideal base layer for tanks, tees, and low-cut summer dresses, while the universal nude blends across skin tones. Wear the bra with the matching HSIA Seamless Mid-Rise Brief for a fully invisible set, or keep it in your everyday rotation — it's the piece you'll reach for on the days you want to forget you're wearing a bra at all.

Fabric & Care — What It's Made Of
Body & Lining: 73% Nylon, 27% Spandex 
Care: Hand wash cold with mild detergent, or use a delicate cycle in a mesh laundry bag. Line dry flat to preserve the bonded edges and keep the shape memory intact.

Find Your Invisible Hold
Order now at launch pricing — and if it's not your new everyday favorite, send it back hassle-free. Comfort, with nothing to lose.

Inspired by the quiet grace of dusk. Designed to blend into your body like a second skin, offering seamless support from day to night.

View full details

Frequently Asked Questions

What size am I? How do I measure my bra size? +

Fit and sizing can be tricky when shopping online. We totally feel you! We’ve tried our best to create a size calculator, which you can find on each product page. Also, you can visit our BRA CALCULATOR page.

What are my shipping options (and prices)? +

For all US orders over $50, you can choose this option:

Standard Shipping: Free (5-12 business days)

Currently, we offer one option for all US orders less than $50:

Standard Shipping: $6.99 (5-12 business days)

NOTE: We currently UNABLE ship to APO/FPO addresses. U.S. Protectorates/Territories, Puerto Rico, Guam, Alaska, Hawaii and Virgin Islands.

OUTSIDE the United States :

We only offer International Shipping. If you order less than $50, the fee will be $6.99.*

The shipping time varies from region to region. Please see the exact shipping cost and delivery time on the actual payment page.

* The shipping fee may vary or be FREE while the website is going with a Shipping Promotion.

How do I track my order? +

After you placed your order, we sent you a confirmation email / text message with your purchase (depending on which of the two you chose to give us during checkout).

Once your order has shipped and is on its way to you, we'll send a confirmation email with the tracking number, so you can follow its progress. Didn't receive confirmation? Please click this TRACKING LINK. Contact our customer service contact@hsiaunderwear.com

Can I cancel or modify (all or part of) my order after it is placed? +

Please contact us at contact@hsiaunderwear.com during 24 hours to modify or cancel the order.

*Since we start to process your order shortly after it is placed, in many cases it is not possible to change or modify. But we will do our best to accommodate any changes. Please understand however that this is not always ‘possible’. If you are unable to cancel within that time frame, you may return or exchange your order after you receive it.

Can I exchange or return the product? +

Please go to RETURNS & EXCHANGES for more details.