




We offer free standard shipping to every province and territory in United Kingdom.
We offer free standard shipping to every province and territory in United Kingdom. No minimum purchase is required, and all orders include tracking for your convenience.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Deliveries to United Kingdom’s outer and remote regions may experience seasonal delays caused by severe weather or limited carrier availability. We appreciate your patience and recommend allowing additional time for your order to arrive safely.
Designed for everyday ease, KNIX delivers confidence with a soft, breathable feel and practical protection. The black XX-Large bikini offers a streamlined silhouette that sits smoothly under clothing, while a built-in leakproof layer helps manage unexpected dampness. An extended 9-inch gusset adds coverage where you need it most, so you can go about your day with fewer worries about leaks or moisture.
Think of these as dependable companions for busy days—commuting, workouts, travel, or a night out. The fabric is crafted to feel snug at first but relaxes with washing and wear, helping you achieve a comfortable fit that stays with you through repeated use.
These panties are a practical option for days when you’re on the go, at the gym, or traveling. The durable construction and simple care routine make them suitable for regular rotation, helping you streamline laundry and daily planning.
With KNIX, you’re choosing a practical, eco-conscious approach to daily comfort. Benefits are presented as possibilities based on design and materials, not guarantees. Explore how the blend of protection, coverage, and reusability might fit your routines and preferences.
Q: What makes KNIX Super Leakproof Bikini different from regular underwear?
A: It features a leakproof layer with a 9-inch gusset and is designed to be machine washable and reusable.
Q: How should I care for KNIX period underwear?
A: Rinse if needed, then machine wash cold; tumble dry low or air dry for best results.
Shipping (UK)
Returns & Refunds
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