EBY Seamless Castor Grey Brief Panties



( 13 Members )

3050 reviews

Model wearing size small See Size small See size 1X

EBY seamless brief in castor grey


Rated 4.81/5 based on 3050 customer reviews

( 13 Members )

3050 reviews
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How Membership Works

3 undies delivered every 3 months

New colors in each box

Members-only pricing + Free shipping

$45 Member Box – 3 Pair Every 3 Months

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Our brief is truly seamless, designed to be invisible under your clothes, and cut from our oh-so-soft EBY Signature Seamless fabric. This seamless piece features a mid-rise front, standard leg with a wide side, and full coverage back.

  • Color

    A dark charcoal shade of grey

  • No-Slip Nylon Grip

    No riding up, no slipping down, no silicone chafing

  • Fit

    Front: Mid-rise
    Back: Full coverage
    Leg: Standard shape
    Side: Wide

  • Material

    85% nylon
    15% spandex
    100% cotton lining


  • Women's Empowerment

    Your purchase empowers women out of poverty by offering them a hand UP, not a handOUT. EBY funds micro-loans for women worldwide to start their own businesses, enabling them to improve their communities and break the cycle of poverty for their children.

  • No Sweatshops

    Our factory respects the balance between environmental, social, and economic performance and upholds the Women’s Empowerment Principles we developed jointly with the United Nations. No sweatshops. Not fast fashion.

100% Fit Guarantee

Love how your EBY products fit or your money back… that’s it.

What our customers are saying


Customer Reviews
4.8 Based on 3,050 Reviews
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Filter Reviews:
Tina W.
United States United States
I recommend this product
Disappointing overall

Between the sizing issues, the fit and the customer service I am left with several pairs I cannot wear. Only choice is to return for the second time. Construction is excellent but EBY underwear is either too small at size XS or does not stay in place at size S, which makes for a nightmare experience. Also not true that there is no VPL…bottom edge is clearly visible in the panty style.

Jessica H.
United States United States
I recommend this product
The best underwear!!

Love these! The first ever underwear I’ve had that claims to have no panty lines and actually doesn’t show any lines! Also super comfortable!

Ella B.
United States United States
I recommend this product
I'll be ordering more!

I ordered a variety of different cuts as I'm on the hunt for underwear that doesn't leave lines or get in the way of my ability to walk/run/workout. I am happy with all of them and will be ordering more for sure.

Dacia G.
United States United States
I recommend this product
Love EBY underwear so much

I’ve been wearing nothing but EBYs for almost two years now. I threw away all of my other brands and haven’t looked back! They are so comfortable and the customer service is amazing if you ever have any issues.

Karen W.
United States United States
I recommend this product
Best tank in the world!

I wear an Ann Taylor Cami almost everyday and the trim starts to irritate my skin. I love that the EBY seamless tank doesn't have trim. It is so comfortable!