Stops sweat stains

As Featured In

Shop Essentials
NEW
"#color_BLACK|Lauren is 5'9", wearing a size S "#color_BLACK|Lauren is 5'9", wearing a size S
The Square Neck Cap Sleeve Undershirt
$65.00
Bestseller
"#color_ALMOND|Ashleigh is 5'11", wearing a size M "#color_ALMOND|Jessica is 5'10", wearing a size S
The Signature Undershirt
$65.00
Bestseller
"#color_WHITE|Jessica is 5'10", wearing a size S "#color_WHITE|Aiko is 5'8", wearing a size XS
The Simone Button-Up Blouse
$220.00
"#color_ALMOND|Ashleigh is 5'10", wearing a size M "#color_ALMOND|Ashleigh is 5'10", wearing a size M
The Three Quarter Undershirt
$65.00
Bestseller
"#color_TOFFEE|Chin is 5'9", wearing a size L "#color_TOFFEE|Daphne is 5'9", wearing a size S
The Crop Undershirt
$60.00
Bestseller
"#color_PINK|Jessica is 5'10", wearing a size S "#color_PINK|Lauren is 5'9", wearing a size S
The Florence T-Shirt Blouse
$100.00
NEW
"#color_PINK|Jessica is 5'10", wearing a size S "#color_BLACK|Jessica is 5'10", wearing a size S
The Viola Popover Blouse
$155.00
Bestseller
"#color_WHITE|Christina is 5'10", wearing a size S "#color_WHITE|Christina is 5'10", wearing a size S
The Lace Undershirt
$65.00

Why Numi Sweat-Proof Undershirts?

Shop By Category
NEW
"#color_CHARCOAL|Daphne is 5'9", wearing a size S "#color_BLACK|Aiko is 5'8", wearing a size XS
The Mock Neck Undershirt
$75.00
Bestseller
"#color_ALMOND|Ashleigh is 5'11", wearing a size M "#color_ALMOND|Jessica is 5'10", wearing a size S
The Signature Undershirt
$65.00
NEW
"#color_BLACK|Aiko is 5'8", wearing a size XS "#color_BLACK|Aiko is 5'8", wearing a size XS
The Short Sleeve Mock Neck Undershirt
$65.00
"#color_ALMOND|Ashleigh is 5'10", wearing a size M "#color_ALMOND|Ashleigh is 5'10", wearing a size M
The Three Quarter Undershirt
$65.00
NEW
"#color_BLACK|Lauren is 5'9", wearing a size S "#color_BLACK|Lauren is 5'9", wearing a size S
The Square Neck Cap Sleeve Undershirt
$65.00
Bestseller
"#color_TOFFEE|Chin is 5'9", wearing a size L "#color_TOFFEE|Daphne is 5'9", wearing a size S
The Crop Undershirt
$60.00
Bestseller
"#color_WHITE|Christina is 5'10", wearing a size S "#color_WHITE|Christina is 5'10", wearing a size S
The Lace Undershirt
$65.00

Why Numi Stain-Resistant Silks?

DON’T JUST TAKE OUR WORD FOR IT

What Our Customers Say

★★★★★

"The fabric really does what they say when it comes to stink and stain resistance. The style is flattering, too." - Susan S.

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★★★★★

"This cropped undershirt is saving my sweaters. Love it!" - Ginna N.

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★★★★★

"I love how flowy the body is.. looks nice untucked with jeans. V is not too deep so it's perfect for the office!" - Chris

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★★★★★

"I absolutely loved this shirt, very practical! What an amazing idea to prevent sweat stains on my clothes! That's exactly what I needed." - Mariia G.

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Undershirts
SILKS
"#color_CHARCOAL|Lauren is 5'9", wearing a size S
Limited edition
"#color_PINK|Elyse is 5'9", wearing a size XS
Last chance

New Alice Puff Sleeve

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Talk About Topaz

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The founder of Numi, Michelle, smiling while standing in an office with plants around her, wearing a pink silk shirtdress with a pink silk belt.

We create solutions for women’s wardrobe problems

Our Story

Numi's journey began with a relatable problem.  Our founder, Michelle, realized she never wore her favorite clothes. They were either prone to noticeable sweat stains or expensive dry cleaning bills.  Faced with this dilemma, she decided to create a solution, and so, Numi was born.

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