Frequently Asked Questions

Everything you need to know about your Design By Si shopping experience.

How long does shipping take?

Standard shipping typically takes 2-5 business days within Europe and 5-10 business days for international orders. You will receive a tracking number via email as soon as your package leaves our warehouse.

What is your return policy?

We offer a 14-day return window from the day you receive your parcel. Items must be returned in their original condition, unworn, and with all tags attached.

How do I find the right size?

Each product page features a detailed size guide. Since we curate a mix of oversized and fitted styles, we recommend checking the specific measurements provided to ensure the perfect fit.

Which payment methods do you accept?

We accept all major credit cards (Visa, Mastercard, Amex), PayPal, Apple Pay, and local options like Klarna and MobilePay depending on your shipping destination.

Do I have to pay customs or import duties?

Orders within the EU are free of customs duties. For international orders outside the EU, additional taxes and duties may be applied by your local customs office upon arrival.

How can I contact customer service?

Our team is here to help! You can reach us via the contact form on our website or by emailing [email protected]. We aim to respond to all inquiries within 24 hours on business days.