What is the difference in each collection?

The only difference between each series is the design! All of our collections are men's, made of the same super-soft combed cotton material, and designed in a relaxed fit!

Can I exchange my order?

U.S. orders can be exchanged within 30 days of delivery.

I forgot to add an item to my order; can I make a change before it ships?

Once your order has been completed, the order goes almost immediately to processing and then it’s sent to the warehouse to ship. To get your order to you as fast as possible, no changes can be made at this stage. Please place a new order on the website for the additional items.

Can I change the color/size of what I just ordered?

Once your order has been submitted successfully, the order goes almost immediately to processing and then it’s sent to the warehouse to ship. To get your order to you as fast as possible, no changes can be made at this stage. We do, however, offer returns for store credit. Once your order is received, if you are not 100% happy with your purchase, we can happily assist you with a return label.

Do you ship to PO Boxes?

Yes! Please be sure all information is input correct prior to checkout.

The style/size/color I want is out of stock. When will you be restocking?

KZZ clothing prides themselves on keeping up with collections per season. If something is out of stock, you can sign up for back in stock SMS and email alerts on the product page of the out of stock item.

I am between sizes, what size do you recommend?

Please refer to our size chart for general sizes. Please keep in mind that all collections are men's models and designed to be oversized. If you still need help, please email us for any additional assistance.


Do you offer plus sizes?

All of our styles are stocked in a full and inclusive size range up to 3x.

Do you have an affiliate program?

If you are an influencer who is interested in working with KZZ, you may submit your info for consideration at caiwanwei@dosomebig.com

What Makes KZZ different?

We use high-quality, ultra-soft slightly weighted fabrics that are both durable and gentle on the skin, ensuring maximum comfort. We also support mental health as the forefront of our brand. We know how hard times can get, you are not alone.

Can you help with a damaged product?

We apologize that you received a damaged item. In this rare case please send a photo of the damaged product to wuxiabing@dosomebig.com. with your information and we would be happy to help you with a resolution. Please note, any damaged item outside of a 5 day return window cannot be returned or refunded.