Frequently Asked Questions

Everything you need to know about your Eiken Shop experience.

How long does shipping take?

Standard domestic shipping typically takes 3-5 business days, while international orders may take 7-14 business days depending on the destination.

What is your return policy?

We offer a 30-day return window for all unworn items in their original packaging with tags attached. Please visit our returns portal to start a request.

How do I determine my correct size?

Each product page features a detailed size guide with specific measurements. If you are between sizes, we generally recommend sizing up for a more comfortable fit.

What payment methods do you accept?

We accept all major credit cards (Visa, Mastercard, American Express), PayPal, Apple Pay, and interest-free installment options via Klarna.

Can I change or cancel my order after it has been placed?

Orders are processed quickly to ensure fast delivery. You can modify or cancel your order within 60 minutes of placement by contacting our support team.

Are your materials sustainably sourced?

At Eiken Shop, we prioritize ethical manufacturing. Over 70% of our current collection is made from organic cotton or recycled polyester to reduce our environmental footprint.