ComfyArc Unlined Outside Underwire Racerback Sports Bra
Delivery:Free shipping for orders over $50 USD
Order today to get it between andOur 30-Day Fit Guarantee
We stand behind our products. If you don’t love it, exchanges and returns are FREE for 30 days.Engineered for the woman who moves. Specially designed for fuller figures (C-I cups), the ComfyArc Unlined Sports Bra has earned its reputation as the best sports bra for large breasts. It proves that you don't need thick, suffocating foam to get the dependable, bounce-free support you crave.
We completely reimagined the traditional sports bra to eliminate the post-workout struggle and chafing. Featuring an innovative outside-underwire construction and a fully adjustable hook-and-eye closure, you can finally say goodbye to wire poking and the frustration of peeling off a tight, sweaty pullover bra. Crafted from premium, high-stretch moisture-wicking fabric, this racerback sports bra delivers a bulk-free, cooling fit. With its vibrant colorblock design and complimentary modesty accessories, you’ll feel fierce, fresh, and fully supported from the weight room to your weekend cycling route.
Why Your Curves Will Love It:
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Friction-Free Outside Underwire: We flipped the script! The underwire is innovatively placed on the outside of the cups. This genius design makes it the ultimate underwire sports bra, preventing the wire from directly contacting your skin and completely eliminating digging or irritation while delivering heavy-duty lift and separation.
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Modesty on Your Terms (Bonus Included): Love the cooling feel of an unlined bra but worry about show-through? We've got you covered. Every ComfyArc bra comes with complimentary nipple covers and modesty pads, giving you the flexibility and confidence to wear it exactly how you want.
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Bulk-Free Cooling Comfort: Skip the heavy, sweat-absorbing padding. Our single-layer cups (64% Nylon, 36% Spandex) are incredibly soft, flexible, and lightweight, making this the ideal unpadded mesh sports bra to allow your skin to breathe during intense training.
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Targeted Mesh Ventilation: The sporty back isn't just for unrestricted shoulder movement. Rated by our wearers as the best racer back bra for large breasts, it features a specialized, high-stretch power mesh that acts as a targeted cooling zone to instantly release trapped heat and maximize airflow.
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Easy On/Off Custom Fit: No more locker room wrestling matches. Fully adjustable shoulder straps and a multi-row hook-and-eye back closure ensure a customized, secure fit for a bigger chest—going on and coming off in seconds.
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Vibrant Colorblock Aesthetics: Who says supportive has to be boring? The energetic color-contrast design brings a bold, dynamic edge to your activewear wardrobe, making it perfect to wear solo or layered under a tank.
We want you to be completely happy with your HSIA purchase. If you don't love it, exchanges and returns are free for 30 days. If something’s not right, we can help. Our Fit Experts are available via live chat, or email to answer any questions you might have. Our Returns & Exchanges Center makes it easy for you to locate your order and easily swap out the size and/or style.
Handling Time
In general case, please allow us to take up to 2 business days to prepare the package.
Shipping Methods
| Countries | Shipping Options | Delivery Time (Business Days) | Orders $50+USD (Include $50 USD) | Orders less than $50 (USD) |
| United States | Standard Shipping | 5-9 Days | Free | $6.99 USD |
| Japan | International Shipping | 5-9 Days | Free | ¥1,100 JPY |
| Canada | International Shipping | 5-12 Days | Free | $10.00 CAD |
| United Kingdom | International Shipping | 6-10 Days | Free | £6.00 GBP |
| Switzerland | International Shipping | 6-12 Days | Free | CHF 6.00 |
| Germany, Spain, France, Italy | International Shipping | 6-12 Days | Free | €6.95 EUR |
| Australia | International Shipping | 10-15 Days | Free | $11.00 AUD |
| Saudi Arabia | International Shipping | 8-12 Days | Free | SAR27.00 |
Free Shipping Eligibility
Enjoy free standard shipping on all HSIA intimate apparel orders totaling $50 USD or more.
International Orders
For customers in countries outside the U.S. purchasing with non-USD currencies:
- Order values must convert to $50 USD or more to qualify for free shipping
- Exchange rates are calculated based on the daily international exchange rate (reference table provided for estimation purposes only)
Standard Shipping Fees
Orders below the $50 USD threshold:
- $6.99 USD shipping fee for U.S. addresses
- International shipping fees calculated at checkout based on converted USD value
Delivery Restrictions
We currently cannot ship to:
- APO/FPO addresses
- U.S. territories: Puerto Rico, Guam, U.S. Virgin Islands
- U.S. states: Alaska, Hawaii
SHIPMENT TRACKING
You will be notified by email automatically with the tracking number and tracking way once your order is marked as fulfillment status. Or you can directly reach out to us via contact form.
WRONG ADDRESS
We know mistakes do happen! Please email us immediately! We can only fix this for you if the order has not been shipped out yet.
LOST OR STOLEN PACKAGES
If you believe that your package was lost or stolen, please directly reach out to us via contact form.
DUTIES AND TAXES
Customers shall be responsible for customs clearance, Duty and Tax. All international packages may be subject to duties and taxes. The limits for duty-free packages are established by your local customs authorities. Please check your local customs website for more information.
Complete The Look
With your bra on and tape measure ready, tightly wrap a tape measure just below your bra band keeping it level. Round up to the nearest half inch.
inches
Wrap the tape around the fullest point of your bust and do not tighten. Round up to the nearest half inch.Please lean forward about 45 degrees while you do the bust measurement.
inchesOr choose the sister size: -
Don't know how to measure? Talk with our experts for help. Contact us
What Our Customers Are Saying
- Rated 5 out of 5 starsYesterday5 Stars
By far the best bra I have ever bought. Fits perfectly and holds them tight and minimizes. I just ordered two more. I would definitely suggest getting a size bigger. I am a 38DDD, but i ordered 40DDD
MMaryam - Rated 5 out of 5 stars3 weeks ago5 Stars
I'm very pleased with my new bra! It fits perfectly and is comfortable
TTeresa
As Raved About On
Definitely your new go-to MINIMIZER bras. Great quality and super cute!
Frequently Asked Questions
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.
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: $4.99 (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 $4.99.*
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.
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 service@hsialife.com
Please contact us at service@hsialife.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.
Please go to RETURNS & EXCHANGES for more details.