Frequently Asked Questions
Everything you need to know about your Knix experience.
How do I find my perfect fit?
We recommend using our comprehensive size guide or booking a virtual fitting with one of our experts to ensure you find the most comfortable fit for your body.
What is the Knix Leakproof Guarantee?
We offer a 30-day risk-free trial on all Leakproof underwear. If you are not completely satisfied, you can return or exchange them for a full refund within 30 days of your purchase.
How should I wash my Knix products?
To maintain the integrity of our technical fabrics, we recommend machine washing in cold water with mild detergent and laying flat to dry. Avoid bleach and fabric softeners.
What are your shipping options within Canada?
We offer standard shipping across Canada via Canada Post, which typically takes 3-7 business days. Free shipping is available on orders over $100 CAD.
Can I return items purchased on sale?
Items marked as 'Final Sale' are not eligible for returns or exchanges. Regular sale items may be returned within 30 days if they meet our hygiene and quality standards.
Are your products maternity and postpartum friendly?
Yes! Many of our wireless bras and high-rise underwear are designed with stretch and support specifically to accommodate changing bodies during and after pregnancy.