Last Updated: March 20, 2026

These Terms and Conditions govern your use of the KJFISTMU official website (https://kjfistmushop.com) and all purchases made on our platform. By accessing our website, browsing products, or placing any order, you agree to accept and comply with the following terms, together with our Privacy Policy and Shipping Policy.

1. General Information

KJFISTMU is a professional men’s underwear brand focusing on fashionable and comfortable men’s boxer briefs. Our brand product R&D and manufacturing base is located in Jinjiang City, Fujian Province, China, while all US customer orders are fulfilled and shipped from our local United States warehouses. Our online store serves end consumers for personal use only.

2. Eligibility

You must be at least the legal age of majority in your state to use this website and place orders. All products sold on our site are for personal, non-commercial use. Resale, bulk commercial distribution, and unauthorized business reselling are strictly prohibited.

3. Orders & Acceptance

Submitting an order on our website constitutes a purchase offer. We reserve the right to accept, reject, or cancel any order for legitimate reasons, including incorrect pricing information, inventory shortages, suspected fraudulent transactions, or violation of site rules. After your payment is verified, your order will be confirmed and processed within 1–3 business days.

You are responsible for verifying your shipping address, contact information, and order details before checkout. We are not responsible for delivery failures caused by incorrect customer information.

4. Pricing & Payment

All product prices and shipping fees displayed on our website are final at the time of checkout. Prices are subject to change without prior notice due to market and cost adjustments. Shipping rates are calculated based on package quantity, as specified in our official Shipping Policy.

All payments must be completed through our official checkout channel. You authorize us to charge your selected payment method for your order amount.

5. Shipping & Delivery Rules

We have two independent warehouses in the United States (West Coast and East Coast). We will ship from the nearest warehouse according to your delivery address to ensure faster delivery. All delivery times are estimated and not guaranteed. We are not liable for delays caused by logistics carriers, weather, customs, or other circumstances beyond our control.

6. Product Description & Appearance

We strive to ensure that all product pictures, sizes, and descriptions on the website are accurate. Minor color differences caused by different display device settings do not constitute product quality issues. All products are packed in 4-piece standard packaging, and bulk packages will be shipped according to your order quantity.

7. Intellectual Property

All website content, including brand logos, texts, pictures, designs, product styles, and layout, belongs exclusively to KJFISTMU. No user may copy, reproduce, modify, resell, or use any of our intellectual property for commercial purposes without our written approval.

8. Prohibited Behaviors

Users shall not use our website for illegal, fraudulent, malicious, or infringing behaviors, including data crawling, spam sending, fake order brushing, and any behavior that may damage the normal operation of the website and brand interests. We reserve the right to restrict or ban accounts that violate regulations.

9. Disclaimer & Liability Limit

Our website and products are provided on an “as is” basis. We do not guarantee that the website will be uninterrupted or error-free. To the maximum extent permitted by U.S. local laws, KJFISTMU shall not be liable for any indirect loss, incidental loss, or consequential damage arising from product use or logistics delivery.

10. Policy Updates

We reserve the right to update these Terms and Conditions at any time. The updated version will be posted on this page with the latest revision date. Your continued use of the website after updates means you accept the new terms.

11. Governing Law

These Terms and Conditions are governed by the laws of the United States and the State of California.

12. Contact Information

Email: KJFISTMU@gmail.com

WhatsApp: +1 (332) 242-9028