To ensure you choose the right size, please consult our size guide available on each product page. If you are between two sizes, we recommend choosing the larger size for greater comfort.

Our t-shirts are made from 100% organic cotton to provide a soft and pleasant feel against the skin.

Yes, at Irosuki, we are committed to offering environmentally friendly products. Our t-shirts are made from certified organic cotton, and our production methods aim to minimize environmental impact.

To preserve the quality of your t-shirt, we recommend washing it inside out at 30°C with similar colors. Avoid bleaching or tumble drying to prolong its lifespan.

Delivery times vary depending on your location. Generally, orders are processed within 2 to 3 business days and shipped within 5 to 7 business days for deliveries within France. For international orders, delivery times can vary from 7 to 15 business days.

Yes, we accept returns and exchanges within 30 days of receiving your order, provided the items are unworn, unwashed, and in their original packaging. To initiate a return or exchange, please visit our returns page.

You can contact us by email at contact@irosuki.com or via our contact form available on the website. We strive to respond to all requests within 24 to 48 hours.