Skip to content
Free standard shipping to supported destinations
Delta-Xi LogoDelta Xi
ShopOur storyLearnHelp

Terms of Service

Last updated: January 2026

1. Agreement to Terms

By accessing or using the Delta Xi website and services, you agree to be bound by these Terms of Service. If you do not agree to these terms, please do not use our services.

2. Use of Services

You may use our services only for lawful purposes and in accordance with these Terms. You agree not to:

  • Use our services in any way that violates applicable laws or regulations
  • Attempt to gain unauthorized access to our systems or networks
  • Interfere with or disrupt the integrity or performance of our services
  • Reproduce, duplicate, copy, sell, or resell any portion of our services without express permission

3. Products and Orders

All product descriptions, pricing, and availability are subject to change without notice. We reserve the right to limit quantities, refuse orders, or cancel orders at our discretion.

Colors displayed on your screen may vary from the actual product due to monitor settings and display differences.

4. Pricing and Payment

All prices are listed in USD unless otherwise specified. We accept major credit cards, PayPal, and other payment methods as displayed at checkout. You agree to provide accurate payment information and authorize us to charge the payment method provided.

5. Shipping and Delivery

Shipping times are estimates and are not guaranteed. We are not responsible for delays caused by carriers, customs, or circumstances beyond our control. Risk of loss transfers to you upon delivery to the carrier.

6. Returns and Refunds

Please refer to our Shipping & Returns page for detailed information about our return policy. Items must be returned in original, unworn condition with tags attached.

7. Intellectual Property

All content on this website, including designs, logos, text, graphics, and software, is the property of Delta Xi and is protected by intellectual property laws. You may not use, reproduce, or distribute our content without express written permission.

8. User Accounts

If you create an account, you are responsible for maintaining the confidentiality of your credentials and for all activities under your account. You agree to notify us immediately of any unauthorized use.

9. Limitation of Liability

To the fullest extent permitted by law, Delta Xi shall not be liable for any indirect, incidental, special, consequential, or punitive damages arising from your use of our services or products.

10. Indemnification

You agree to indemnify and hold harmless Delta Xi and its officers, directors, employees, and agents from any claims, damages, or expenses arising from your violation of these Terms or your use of our services.

11. Changes to Terms

We reserve the right to modify these Terms at any time. Changes will be effective immediately upon posting to this page. Your continued use of our services constitutes acceptance of the modified Terms.

12. Governing Law

These Terms shall be governed by and construed in accordance with the laws of the United States, without regard to conflict of law principles.

13. Contact Information

For questions about these Terms, please contact us at [email protected].

Delta-Xi LogoDelta Xi

A place for good ideas, on a shirt or off the page.

Say hello

Explore

  • Shop all
  • Mathematics T-shirts
  • Accessories
  • Learn
  • Our story

Here to help

  • Contact
  • Size & care questions
  • Shipping & returns
  • Your orders
  • Track an order

Keep in touch

  • Instagram
  • Discord
  • Telegram
  • Affiliate programme

© 2026 Delta Xi. Prices in USD.

PrivacyTerms

Your cookie choices

Essential cookies keep your basket and sign-in working. Optional cookies help us understand visits and measure ads. Privacy details.