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Free shipping on orders over $79
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30-day hassle-free Returns
Experience the Ultimate "Naked Feel" Support
Say hello to the HSIA Joan Comfortzone—the bra that feels like a gentle second skin but supports like heavy-duty lingerie.
We’ve lovingly upgraded our best-selling Joan bra with a 5% thicker fabric and enhanced structural engineering. The result? A smoother, softer, and more stable fit than ever before, designed to love your curves exactly as they are.
️Why You’ll Love the Joan Upgrade:
Visibly Slimmer: Minimizes by 1 to 1.5 Cups
Refined Silhouette:
Expertly designed to visually reduce your bust projection by 1 to 1.5 cup sizes. It gives you that neat, tailored, and sophisticated look under your favorite T-shirts—without flattening your beautiful natural curves.
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Double-Layer High-Tension Support
Enhanced Engineering:
Unlined never means unsupported! The cups feature a specialized Double-Layer fabric structure. This "High-Tension" design firmly yet gently guides breast tissue in from the sides, eliminating "side boob" and centering your bust for a sleek, streamlined profile. Move with 100% confidence!
️Premium Fabric Blend: 81% Nylon, 19% Spandex (Our Favorite Upgrade!)
Satin-Like Luxury:
Crafted with a premium blend of 81% Nylon and 19% Spandex. This specific ratio gives the bra a mercerized, silk-smooth texture that glides against your skin like liquid.
5% Thicker & Softer:
We increased the fabric density to combine the ultimate durability of Nylon with the high-stretch comfort of Spandex. It offers a comforting, "cushioned" feel and a true "Naked Sensation" all day long.
Precision Fit & Graduated Support System (Tailored For You)
We believe one size does not fit all. Our straps and closures evolve with your specific size to provide the absolute perfect balance of comfort and lift.
️ 1. Scaled Comfort Straps (15MM - 24MM)
No more painful digging! The strap widths widen as the cup size increases to distribute weight perfectly:
15MM Straps: 34C, 36C, 34D
18MM Straps: 38C, 40C, 42C, 44C, 46C, 36D, 38D, 40D, 42D, 44D, 34DD, 36DD, 38DD, 40DD, 42DD, 34DDD, 36DDD, 38DDD, 40DDD, 34G, 36G, 38G, 34H, 36H
24MM Heavy-Duty Straps: 46D, 44DD, 46DD, 42DDD, 44DDD, 46DDD, 40G, 42G, 44G, 38H, 40H, 42H, 36I, 38I, 40I
2. 4-Row Adjustable Secure Closure
Our 4-row hooks ensure a customizable fit, featuring a wider band for larger sizes to guarantee 360° stability and a beautifully smoothed back.
Standard Stability (4-Row, 3-Hook): 34C, 36C, 38C, 40C, 34D, 36D, 38D, 34DD, 36DD, 34DDD
Enhanced Stability (4-Row, 3-Hook with Wide Band): 42C, 44C, 46C, 40D, 42D, 44D, 46D, 38DD, 40DD, 42DD, 44DD, 46DD, 36DDD, 38DDD, 40DDD, 42DDD, 44DDD, 46DDD, 34G, 36G, 38G, 40G, 42G, 44G, 34H, 36H, 38H, 40H, 42H, 36I, 38I, 40I
Tech Specs & Care
Cup Style: Unlined, Double-Layer Cup (Non-Padded)
Magic Effect: Minimizing (1 to 1.5 Cups Down), Smoothing, Lifting
Back Design: U-Shaped Power Back for smoothing away back rolls.
Care: Hand wash cold recommended. If using a machine, please use a laundry bag on a gentle cycle. Lay flat to dry to keep the fabric luxurious for longer.
• We offer FREE worldwide shipping for orders over $79 USD
• For in-stock items, your order will be processed and shipped within 1-2 business days after order verification
Estimated Delivery Times
• Express Shipping: 5-7 business days to arrive.
• Standard Shipping: 7-15 business days to arrive.
*Please note, estimated shipping times are not guaranteed.
Return Policy
• Shapecurve will accept exchanges & returns within 30 days of receiving.
• Clearance products, free gifts, bras & underwear are not eligible for return policy.
• Items must be unworn and unwashed items in their original condition and packaging. We simply ask that you try it on OVER panties or undergarments.
• In most cases, we can only process one return or exchange for each order. For your benefit, please carefully consider all the products you need to return.
Hand Wash or Use a Delicate Cycle: To keep our products looking great, handle them with care. Hand washing is the gentlest method, but if you use a washing machine, be sure to use the delicate cycle.
Use Mild Detergent: Gentle detergents are best for our delicate fabrics. Avoid using fabric softeners and bleach, as they can damage the material.
Air Dry: After washing, avoid the dryer. Instead, lay your product flat or hang it to air dry. Keep it out of direct sunlight to prevent fading.
Store Carefully: To avoid stretching, fold your product neatly and store it in a drawer or hang it up.Keep it out of direct sunlight and humid places.
Replace When Necessary: Our products are designed to support and contour your body, but over time, they might lose some elasticity. Replace your item when it doesn't provide the same support or shows signs of wear.
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