Size-inclusive sizing (XS–4X) ensures a comfortable fit for a wide range of body types
Leakproof construction provides reliable protection for periods and light bladder leaks
Soft, flexible materials enhance comfort for all-day wear
Durable design withstands daily use and active lifestyles
Summarized by Shop
Type
Demi bra
Sizing
XS–4X
Category
Lingerie > Bras
Leakproof
Yes
Material
Not specified
Summarized by Shop
4.1
177 ratings
5
4
3
2
1
Underwire bra
I got the underwire it’s a great bra it just makes a crinkle sound when I move from the underwire I really like it very comfortable
A
Angela · 5 days ago
Perfect every day bra!
I was looking for an everyday wired bra since my old ones had been worn to the ground, and I'm glad I decided to give Knix's wired bras a try. I know wired bras aren't for everyone, but I personally like the extra security and support they provide. The FreeFlex Demi Bra definitely delivers for everyday wear. The underwire doesn't dig in, the band feels soft and silky, and nothing about it feels restrictive. It provides great lift and support while still being comfortable. The quality also stands out! It feels well made and durable. It's definitely a bit pricey, but the comfort, support, and quality make it worth it.
F
Francine · July 21, 2026
Comfortable underwire
I haven’t been able to wear an underwire bra for years. So when I saw Knix came out with one I was curious. I went in store and tried it on and I ended up buying 2! I’ve had them for a month or so now and I haven’t had any issues with the underwire. They’re quite comfortable. I’m very happy with my purchase.
