Swim Founders Hero (Static 2)

The Founders’ Edit 

No deadlines. No meetings. Just you in these suits. Out of office swimwear is approved by female founders.

SHOP NEW SWIMSHOP LEAKPROOF SWIM

Shop by Category

Leakproof Underwear

    Bras

      New Arrivals

        Swim

          Active

            Kits & Sets

              Shapewear

                Sleep

                  Maternity

                    Lounge

                      Teen

                        Last Call

                          FreeFlex Launch Hero (Static)
                          INTRODUCING

                          Your new daily favorite

                          The reviews say it all. The FreeFlex™ doesn’t just lift and separate. It’s also the most comfortable underwire bra ever. (Your words. Not ours.)

                          SHOP FREEFLEX™SHOP ALL BRAS

                          Bras: Shop by Style

                          T-Shirt Bras

                            Invisible Wireless Bras

                              Mesh & Lace Bras

                                Sports Bras

                                  Maternity

                                    Outfitting Solutions

                                      Surgical Recovery

                                        Tanks & Bodysuits

                                          Feb Choose Your LP (Alt)

                                          Bundle & Save on Undies

                                          Save up to 25% on Leakproof & Essential undie styles. Discount applied automatically. All you have to do is choose.

                                          Bundle & SaveTake Our Quiz
                                          Why you’ll love leakproof underwear - Mobile

                                          Find your leakproof underwear

                                          Periods, pee, sweat, or everyday freshness. We’ve got functional, seamless styles that cover every leak.

                                          Take the quizTikTok
                                          Find your perfect bra - FreeFlex Image

                                          Find your perfect bra

                                          Finding the right bra is easier than you think.

                                          TAKE THE QUIZTikTok
                                          Virtual Fittings - Updated

                                          Book a virtual fitting

                                          Can’t make it to a store? Book an appointment with a Product Expert from the comfort of your own home.

                                          BOOK NOWTikTok

                                          WE'RE REDEFINING INTIMATES

                                          At Knix, we believe that everyone should be able to live unapologetically free.

                                          Free from judgment. Free from self-doubt. Free to be yourself.