Skip to content

Your Bag

Your cart is empty

But you're full of potential..

Rewards Members Earn 0 Points
Sale

FreeFlex Demi Bra - Last Call

$31.20 CAD

$78.00

60% off
Checkmark

Our first underwire bra

Checkmark

Comfortable, flexible wire

Checkmark

Lifts and separates

Checkmark

Lightly lined molded cups

Adiya is wearing a 36C | Lilac

Adiya is wearing a 36C

| Lilac
Adiya is wearing a 36C | Lilac

Adiya is wearing a 36C

| General
| General
| General
| General
Adiya is wearing a 36C  | Lilac

Adiya is wearing a 36C

Adiya is wearing a 36C

Color: Lilac Limited Edition

Size:

True to Size

Size:

Knix Size

Size and Fit Guide

Get FREE Express Shipping on all orders $125+

Shipping

HOLIDAY SHIPPING

Give the gift of Knix! To receive your order by Dec 24th, please order by the following dates.

Toronto, Ottawa, Montreal, Winnipeg, Regina, Calgary, Edmonton, Vancouver
Standard & Expedited: Monday, December 22

Urban Centres (excluding the above)
Standard: Wednesday, December 17
Express: Sunday, December 21

Rest of Canada
Standard: Sun, December 14*
Express: Thu, December 18*
*YK, NWT, NT, NL, and remote areas across Canada.

For locations serviced solely by Canada Post, please allow at least 5 additional days due to rotating strikes. This applies to P.O Box and RR addresses.

To avoid any additional delays during the rotating strikes, we will use alternate carriers when possible.

Please note: Weather conditions and carrier issues may cause delays. Delivery dates are not guaranteed.

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.

Delivery Time
For the most up-to-date delivery time estimates, please refer to the shipping timeline at checkout. Delivery timelines vary depending on location and do not include processing times.

Shipping Charges
Orders over $100* CAD = Free Shipping (2-6 business days)
Orders under $100* CAD = $12 CAD Shipping (1-3 business days)
Orders delivering to NWT, Nunavut and Yukon are subject to $20 delivery fee.
*After discounts, before shipping and taxes.

Year End Sale Return Policy

Returns

Returns

Sale & Last Call

Items discounted 30% and below are eligible for size exchange or store credit. Items discounted above 30% and above are final sale – no refunds, store credits, or exchanges can be accommodated.

Free Returns

Knix covers the return shipping fees for exchanges and refunds initiated through our Return & Exchange Portal. Exchange orders initiated through our Return & Exchange portal are also eligible for free shipping within the USA and Canada. Please note, the shipping fees on your original order are non-refundable.

Return Policy

Return policy varies by product, please check if your item is refund or exchange eligible by viewing our full policy here.

Rewards Members Earn 31 Points

The Underwire Bra Reinvented

Wear tested for over 625 hours, providing unparalleled lift, separation, and support.

All Day Comfort

It's everything you want from an underwire bra without the downfalls of one.

Feels Made For You

Lightly lined, moulded demi cups lift and separate for a great shape that looks amazing under lower necklines and T-shirts. Adjustable straps create the perfect fit.

Smooth Coverage

The ultimate t-shirt bra that appears invisible under clothes.

Zoom

Adiya is wearing a 36C | Lilac
| Lilac
Adiya is wearing a 36C | Lilac
| General
| General
| General
| General
Adiya is wearing a 36C  | Lilac

How to Choose?

Essential

Drop
Drop
Drop
Drop
Drop
  • Everyday Wear
  • No leakproof protection
  • tsp
    0 tsp

Heavy

Drop
Drop
Drop
Drop
Drop
  • heavy period days
  • overnight protection
  • light bladder leaks
  • tsp
    about 8-14 tsp
  • pad
    about 1.5-3 regular pads
  • tampon
    about 4-7 super tampons
  • cup
    about 1.5-3 menstrual cups

Light

Drop
Drop
Drop
Drop
Drop
  • light period days
  • sweat
  • discharge
  • tsp
    about 1-3 tsp
  • pad
    about 1-3 pantyliners
  • tampon
    about 1-3 regular tampons
  • cup
    about 0.5 menstrual cups

Moderate

Drop
Drop
Drop
Drop
Drop
  • moderate period days
  • light bladder leaks
  • sweat
  • tsp
    about 4-8 tsp
  • pad
    about 1-1.5 regular pads
  • tampon
    about 2-4 super tampons
  • cup
    about 0.5-3 menstrual cups

Ultra

Drop
Drop
Drop
Drop
Drop
  • extra heavy period days
  • overnight protection
  • light bladder leaks
  • tsp
    about 15-20 tsp
  • pad
    about 1.5-2.5 super pads
  • tampon
    about 7-11 super tampons
  • cup
    about 2-3 menstrual cups
FREEFLEX™ TECHNOLOGY

Meet our first wired bra reimagined for optimal comfort and support

Wear tested for more than 625 hours to provide unparalleled lift, separation and support.

Molded Cups

Carbonized Flexible Wire

Innovative carbonized wire flexes and moves with you, delivering the classic structure of an underwire without pinching or digging.

3.9
Rated 3.9 out of 5 stars
Based on 424 reviews
Total 5 star reviews: 218 Total 4 star reviews: 67 Total 3 star reviews: 48 Total 2 star reviews: 47 Total 1 star reviews: 44
69%would recommend these products
ComfortRated 3.9 on a scale of 1 to 5
FitRated -0.1 on a scale of minus 2 to 2
SupportRated 4.1 on a scale of 1 to 5
424 reviews
  • Rated 2 out of 5 stars
    3 minutes ago
    Flex free Demi

    I found the sizing to be a bit off but replaced with the correct size. The fit is nice but the centre area between the cups I find to be quite uncomfortable and really can’t wear it unfortunately.

    Natalie W.
    Verified Buyer
  • Rated 1 out of 5 stars
    1 hour ago
    Jk

    Too small

    Jenny K.
    Verified Buyer
  • Rated 2 out of 5 stars
    17 hours ago
    Free flex - Uncomfortable

    Not impressed with this bra. The flex-wire in the front squeaks really loudly with every movement. Also it leaves lines from all the seams on both front and back of my body, even though it’s not too tight. I don’t recommend this one. (Unfortunately I bought two of these, hind sight would’ve bought another “revolution v-neck”.)

    Laurel P.
    Verified Buyer
  • Rated 5 out of 5 stars
    Yesterday
    FreeFlex Demi Bra

    Was not a good fit for me, cups larger than expected.

    Michele D.
    Verified Buyer
  • Rated 5 out of 5 stars
    Yesterday
    Love it!

    Love the fit everywhere, the material and that it doesn’t rub. I am so happy that I saw the Knix store and stopped in. I hate ordering bras online because you don’t know how they will fit and I would have never bought a Knix. The sale clerk did a sizing and I came out with 5 bras and ordered a second Free-Flex online since.

    Jennifer L.
    Verified Buyer
  • Rated 3 out of 5 stars
    6 days ago
    Squeaks and uncomfortable.

    While this bra has good side coverage and felt okay in store I, unfortunately, find it uncomfortable to wear for more than an hour or so. It’s mainly uncomfortable at the back clasp so I stopped wearing it. I am disappointed after spending so much. I am not sure what the problem is, maybe the nature of the fabric? :-(

    Also, a non-metallic underwire seemed like a good idea but I find it noisy (sort of squeaky).

    Tammy S.
    Verified Buyer
  • Rated 3 out of 5 stars
    1 week ago
    3 Stars

    Uncomfortable and “squeeks” when worn :(

    Michelle
  • Rated 1 out of 5 stars
    1 week ago
    Not great at all! Believe the reviews!

    Knix do a lot of things well, but this is not one of those things… the flex wires don’t sit right on the rib cage, it gives the bra a horrible shape. And the noise!!! Believe it, it’s real. Not good. Just don’t get it. Get their other bras.

    Elisabeth O.
    Verified Buyer
  • Rated 5 out of 5 stars
    1 week ago
    5 Stars

    Super comfortable! I am very picky when it comes to my Bras and this one has been on my list to try for some time. I am glad I jump on their black Friday sale because now I have a new favorite! It's seriously the only comfortable bra I own. I will buy again

    Molly
  • Rated 1 out of 5 stars
    1 week ago
    Terrible fit

    I’m attaching a photo of the 2 bras I bought during the Black Friday sale…both 34E (my usual size) & it’s hard to believe they are supposed to be the same size! The cups of the FreeFlex Demi bra are MUCH larger than the Revolution V-neck, it’s way too big & Im not even going to remove the tags…I’m going to donate it to a charity. It also honestly didn’t feel any different than regular wired bras. The cups of the Revolution are smaller than regular department store 34E’s & my boobs spill over the top giving that awful double boob look. It may stretch with wash & wear so I’ll persevere for a little while. I have to say I have now bought multiples of almost every kind of bra Knix sells (I get suckered in by their sales) & none of them fit properly even though I’ve measured myself & ordered what should be the right size. I keep thinking the next one will fit correctly & it doesn’t! I own loads of Knix panties and they are all terrific quality & a good fit so my advice is to stick with those. I’ll be buying my bras from now on in a department store where I can try them on & not have to break them in before they stretch enough to fit your body…I’ve wasted too much money already!

    June F.
    Verified Buyer
  • Rated 1 out of 5 stars
    1 week ago
    itchy

    the hooks were uncomfortable in the back and made me uncomfortable all day. Which is worst poor fitting in the front or poor fitting in the back?

    Andrea
    Verified Buyer
  • Rated 5 out of 5 stars
    2 weeks ago
    Great Find

    Surprised how comfortable the bra is. Bought one, liked it so much bought 2 more.

    Chris S.
    Verified Buyer