Standard delivery takes 3–7 business days depending on your location. Express delivery (1–2 business days) is available at checkout.

Yes, we ship worldwide. International delivery typically takes 7–14 business days. Shipping costs and customs fees may apply depending on your country.

Once your order is dispatched, you will receive a confirmation email with a tracking number. You can use it on the carrier's website to follow your parcel in real time.

We accept returns within 14 days of delivery. Items must be unworn, unwashed, and in their original condition with all tags attached.

To initiate a return, please contact us at support@sixonyx.com with your order number. We will provide you with return instructions and a shipping label where applicable.

Once we receive and inspect your return, the refund will be processed within 5–7 business days back to your original payment method.

Each product page includes a detailed size guide. We recommend measuring your bust, waist, and hips and comparing them to our size chart for the best fit.

Our designs are crafted to fit the body closely. If you are between sizes, we generally recommend sizing up. Specific fit notes are listed on each product page.

We accept all major credit and debit cards (Visa, Mastercard, American Express), Apple Pay, Google Pay, and PayPal.

Yes. All transactions are processed through Shopify's PCI-compliant payment system. We never store your card details.

Orders can be changed or cancelled within 1 hour of placement. After that, the order enters processing and can no longer be modified. Please contact us immediately at support@sixonyx.com.

We are sorry to hear that. Please email us at support@sixonyx.com with photos of the item and your order number. We will resolve the issue promptly.

Yes! You can visit us by appointment. To book a private fitting, please fill out the form on our VIP Fitting page or contact us directly via Instagram or email.

VIP Fitting is a personal styling session in our showroom. You will be able to try on pieces, receive styling advice, and order directly. It is a fully private and comfortable experience.