Frequently Asked Questions
Everything you need to know about shopping with SUNDAY MASS.
When will my order ship?
All orders are processed within 2-3 business days. Once shipped, you will receive a confirmation email with a tracking number to monitor your delivery.
What is your return policy?
We accept returns on all unworn and unwashed items within 30 days of delivery. Please ensure all original tags are attached to be eligible for a full refund.
Do you ship internationally?
Yes, SUNDAY MASS ships worldwide. International shipping rates and delivery times vary by location and will be calculated at checkout.
How do I determine my size?
Each product page features a detailed size guide. If you are between sizes, we generally recommend sizing up for a more relaxed fit, or sizing down for a tailored look.
What payment methods do you accept?
We accept all major credit cards (Visa, Mastercard, American Express), as well as PayPal, Apple Pay, and Google Pay for a secure checkout experience.
How should I care for my SUNDAY MASS garments?
To maintain the quality of our fabrics, we recommend washing in cold water with similar colors and hanging to dry. Specific care instructions are located on the inner label of each piece.