Products

Home / Products

Products

811 items

No filters available

Your questions, answered.

What is your extended Holiday return policy?

Eligible items purchased online or in stores between November 2, 2026 and December 31, 2026 may be returned through January 29, 2027. All other purchases fall under our 30 day Returns Policy. For sale items, please refer to the sale-specific return policy below to determine eligibility. Some exclusions apply. See more details here.

When will I receive my order?

Processing Timelines
Please allow 1-2 business days for our warehouse team to pack and ship your order. During peak periods such as sales, holidays and product launches, please allow up to 4 business days for us to process your order. Once an order is placed, we cannot guarantee any address updates, order changes or cancellations. Orders placed on Friday after 1PM will not be shipped until the following Monday.

Delivery Timelines
For the most up-to-date delivery time estimates, please refer to the shipping timeline at checkout. Delivery timelines do not include processing times. See above for details. All transit times are measured in business days which are Monday-Friday, excluding holidays. View detailed cutoff dates here.

What is your First Pair Risk Free for 30 Days Guarantee?

Leakproof Underwear, Risk Free

Trying leakproof underwear for the first time? Your first pair is completely risk free for 30 days. Wear them, wash them, and see how they work for your body. If they’re not right for you, we’ll refund your first pair. Prefer a different size or style? We also offer free exchanges.
How it works:
* Risk free applies to leakproof underwear on your first order
* Refund covers the item price (original shipping excluded)
* Just email info@knix.com and we’ll take care of you

Shop by Category

Shop by Price

Bras

Underwear

Shop by Category

Trending

Shop by Style

Underwear by Solution

Bras

Solutions

Trending

Teen

Mens

ACOTAR™ x Knix

Offers

Shop by Category

Shop by Price

Shop by Style

More Ways to Shop

Bras

Solutions

More Ways to Shop

Swim

ACOTAR™ x Knix

New & Trending

Join Club Knix

Your Bag

Order summary

Suggestions

Top Picks

Super Leakproof® Dream Boxer™

Leakproof UltraThin No-Show Bikini

Super Leakproof® Dream Short™

Super Leakproof® Mini Dream Boxer™

Suggestions

Products

Products

Customizable Shaper Mid-Thigh Bodysuit

Customizable Shaper Thong Bodysuit

Day & Night Starter Kit

Deep V Bikini Top - Last Call

Deep V One Piece Swimsuit

Deep V One Piece Swimsuit - Last Call

Deep V One Piece Swimsuit*

Digital Gift Card

Don't Sweat It™ Undershirt

Dream Team Overnight Kit

Elain Lilac Kit

Engage Medium Impact Sports Bra - Last Call

Essential Cotton Modal High Rise - Last Call

Essential Full Mesh Bikini

Essential Full Mesh Bikini - Last Call

Essential Full Mesh French Cut

Essential Full Mesh French Cut - Last Call

Essential Full Mesh High Rise

Essential Full Mesh High Rise - Last Call

Essential Full Mesh High Rise*

Essential Full Mesh Thong

Essential Full Mesh Thong - Last Call

Essential Full Mesh Thong*

Essential Knixy Lace Bikini - Original - Last Call

Filters

Your questions, answered.

What is your extended Holiday return policy?

When will I receive my order?

What is your First Pair Risk Free for 30 Days Guarantee?

How do I find my size for an exchange?

Are Leakproof products tax-free?

Can I make changes to my order after it’s been placed?

Can I update or cancel my order after placing it?

My package is missing. What should I do?

How do I find out my absorbency level?

Can I use a gift card?

Shop by Category

The Holiday Shop

Underwear

Bras

Apparel

Shapewear

Sleep