Email Support
Our team typically responds within 1–2 business days.
Contact us by email for:
- Product questions
- CTi®3 sizing and fit assistance
- Order status and tracking inquiries
- Return assistance
- Warranty inquiries
- General customer support
Phone Support
877-284-5633
877-CTI-KNEE
Monday–Friday: 9:00 AM–5:00 PM Pacific Time
If we're assisting other customers and are unable to answer, please leave a message and we'll return your call as soon as possible.
Mailing Address
THE CTI SHOP
5344 Lindbergh Lane Unit 1
Bell, CA 90201
Customer Support Hours
Monday–Friday: 8:00 AM–5:00 PM Pacific Time
Saturday & Sunday: Closed
Returns & Warranty Assistance
For return requests, please review our Return & Refund Policy before sending an item back. We do not offer direct exchanges.
For warranty questions or product concerns, contact our team for assistance with the next steps.
Email: support@theCTIshop.com
Phone: 877-284-5633
THE CTI SHOP
Pro-Level Protection. Everyday Confidence.
