Frequently Asked Questions

Everything you need to know about our luxury essentials.

Where does ISTO. ship to?

We offer worldwide shipping. Delivery times vary by region, but most European orders arrive within 3-5 business days, while international orders take 5-8 business days.

What is your return policy?

We accept returns within 30 days of delivery. Items must be in their original condition, unworn, and with all tags attached to be eligible for a full refund.

How do I know which size to choose?

Each product page features a detailed size guide with specific measurements. If you are between sizes, we generally recommend sizing up for a more relaxed fit or checking our 'Fit Details' section.

Are your garments sustainably made?

Yes, transparency is at our core. We use 100% organic materials and work exclusively with certified factories in Portugal to ensure fair labor practices and premium quality.

What payment methods do you accept?

We accept all major credit cards (Visa, Mastercard, American Express), PayPal, Apple Pay, and Google Pay for a secure and seamless checkout experience.

How should I care for my ISTO. items?

To ensure longevity, we recommend washing at low temperatures (30°C) and air drying. Specific care instructions are located on the internal label of every garment.