![A person with short dark hair and fair skin is wearing The Lace Undershirt by Numi, a white sweat-proof short-sleeve top, paired with beige pants, standing against a plain backdrop.](http://wearnumi.com/cdn/shop/files/Untitleddesign.png?v=1717681554&width=1200)
![A woman with short dark hair is standing with her back turned, wearing a white, sweat-proof undershirt called The Lace Undershirt from Numi and light brown shorts against a plain background.](http://wearnumi.com/cdn/shop/files/Untitleddesign_2.png?v=1717681554&width=1200)
![A woman in "The Lace Undershirt" by Numi, a white, short-sleeve sweat-proof top, and beige pants poses with her arms raised against a plain background.](http://wearnumi.com/cdn/shop/files/Untitleddesign_1.png?v=1717681554&width=1200)
![A person with long dark hair is wearing The Lace Undershirt by Numi in beige, paired with matching sweat-proof pants, and standing against a plain light background.](http://wearnumi.com/cdn/shop/files/the-lace-undershirt-numi-17.jpg?v=1717681554&width=1200)
![A person with long dark hair, wearing a beige short-sleeve top over The Lace Undershirt by Numi and light brown pants, viewed from the back against a plain light background.](http://wearnumi.com/cdn/shop/files/the-lace-undershirt-numi-19.jpg?v=1717681554&width=1200)
![A woman wearing The Lace Undershirt by Numi, featuring short cap sleeves, a reversible neckline, a slim fit perfect for layering as an undershirt, and elegant lace trim detailing.](http://wearnumi.com/cdn/shop/files/the-lace-undershirt-numi-9.jpg?v=1717681554&width=1200)
![Image showing a woman wearing The Lace Undershirt by Numi in light beige. Features highlighted include sweat-proof and stain protection, all-day comfort, time and money savings, and easy layering. Text at bottom reads: "No sweat. No stress.](http://wearnumi.com/cdn/shop/files/the-lace-undershirt-numi-10.jpg?v=1717681554&width=1200)
![The Lace Undershirt - Numi](http://wearnumi.com/cdn/shop/files/the-lace-undershirt-numi-11.jpg?v=1717681554&width=1200)
![The Lace Undershirt - Numi](http://wearnumi.com/cdn/shop/files/the-lace-undershirt-numi-12.jpg?v=1717681554&width=1200)
!["#color_ALMOND|Emi is 5'7.5" and wears a size S](http://wearnumi.com/cdn/shop/files/the-lace-undershirt-numi-21.jpg?v=1717681554&width=1200)
!["#color_BLACK|Aiko is 5'8", wearing a size XS](http://wearnumi.com/cdn/shop/files/the-lace-undershirt-numi-14.jpg?v=1717681554&width=1200)
!["#color_BLACK|Aiko is 5'8", wearing a size XS](http://wearnumi.com/cdn/shop/files/the-lace-undershirt-numi-16.jpg?v=1717681554&width=1200)
The Lace Undershirt
- Size Chart
- How to Measure
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IN CM
Size
Classic
Limited Edition
Have You Ever Seen Such A Pretty Undershirt?
Our sweetest style features a dainty lace trimming (very cute peaking out under tops with a lower neckline). With a shorter cap sleeve than our Signature Undershirt, it pairs perfectly under all your short sleeve blouses.
Choose from pre-selected bundles here.
![Sweat](https://cdn.shopify.com/s/files/1/0222/7028/files/StopsSweat-100x100.png?v=1695254696)
STOPS SWEAT STAINS
![Sweat](https://cdn.shopify.com/s/files/1/0222/7028/files/AbsorbsMoisture-100x100.png?v=1695254643)
ABSORBS MOISTURE & ODOR
![Sweat](https://cdn.shopify.com/s/files/1/0222/7028/files/Lightweight-100x100.png?v=1695254754)
LIGHTWEIGHT & BREATHABLE
![Sweat](https://cdn.shopify.com/s/files/1/0222/7028/files/4WayStretch-100x100.png?v=1695254716)
4-WAY STRETCH
![FitsTrueToSize-100x100.png__PID:7ca3a884-dc8b-499c-b177-0dfb3d5d5c6c](https://cdn.shopify.com/s/files/1/0222/7028/files/FitsTrueToSize-100x100.png?v=1703260891)
FITS TRUE TO SIZE
Find Your Perfect Styles
Buy 3, Get 15% off.
Discount code automatically applied at checkout.
![numi1282-Cropped.jpg__PID:dcb764f5-9fdc-48ca-940a-2ae922184b8c](https://cdn.shopify.com/s/files/1/0222/7028/files/numi1282-Cropped_500x.jpg?v=1712604002)
![Untitled design (21).jpg__PID:8fa6bc6a-272e-43c2-a300-6c5363f8a517](https://cdn.shopify.com/s/files/1/0222/7028/files/Untitled_design_21_113x.jpg?v=1700595754)
The Crop
Perfect for reducing bulk around your mid-section, especially when wearing high-waisted bottoms.
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![Untitled design (17).jpg__PID:de1813ac-5b0a-435d-a071-816d61a60ef8](https://cdn.shopify.com/s/files/1/0222/7028/files/Untitled_design_17_1248f650-5c1d-49d1-9b42-fa1b66b43035_113x.jpg?v=1700595976)
The Square Neck
Designed with cap sleeves to seamlessly layer under all your shorter sleeved blouses. Features a flattering square neckline.
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![Untitled design (19).jpg__PID:936197da-cfee-48c1-8f92-3e4d0215deee](https://cdn.shopify.com/s/files/1/0222/7028/files/Untitled_design_19_c37c5472-197a-4e7a-86e0-142baead67b1_113x.jpg?v=1700596012)
The Three Quarter
Classic fit with sleeves hitting just below the elbow. It features a reversible neckline for added versatility.
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![Untitled design (18).jpg__PID:97dacfee-18c1-4f92-be4d-0215deee434a](https://cdn.shopify.com/s/files/1/0222/7028/files/Untitled_design_18_720609ff-994a-4664-aa14-3d6577f74bb6_113x.jpg?v=1700596017)
The Signature
Our #1 best seller is the ultimate base-layer for every outfit. No more sweat-stains or deodorant marks.
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As Featured In
![Numi](http://wearnumi.com/cdn/shop/files/1_c0b4535d-95e9-4440-b503-c3a7d554f0d3.png?v=1684247676&width=450)
![Numi](http://wearnumi.com/cdn/shop/files/2_351fefab-34c7-41e9-a244-b1109796e1c6.png?v=1684247714&width=450)
![Numi](http://wearnumi.com/cdn/shop/files/Good_Morning_America_2021_logo_50b9bf43-3b5f-4605-a553-b916737a134c.png?v=1693321150&width=450)
![Numi](http://wearnumi.com/cdn/shop/files/4_4b5b823d-c1ae-48f7-ad78-2144440b11d9.png?v=1684247749&width=450)
![Numi](http://wearnumi.com/cdn/shop/files/5_052bcd83-0499-4e8d-8831-207ca02996c4.png?v=1684247767&width=450)
![Numi](http://wearnumi.com/cdn/shop/files/6_adf117b1-5262-42d8-b683-3edc1ccd27b4.png?v=1684247787&width=450)
FAQs
Women need sweat-proof undershirts to prevent visible sweat stains on their clothing and to stay dry and confident throughout the day. It can also help prolong the life of outerwear by reducing the need for frequent washing.
Our sweat-proof undershirts were created to be the perfect base-layer for day-to-day dressing. They feature our innovative Contemporary Cotton underarm shield, designed to wick and absorb moisture to prevent sweat stains from showing on your clothes. With the body made from a breathable TENCEL™ fabric, our undershirts also help to regulate your body temperature, ensuring all-day comfort.
We recommend using the size guide (featured on every product page) to determine the best size for you.
Each size guide features a sizing chart and instructions on how-to-measure the item. Generally, we recommend ordering our Essential Undershirt collection in your regular size for the perfect, snug fit. If you prefer a more relaxed fit, we recommend sizing up. If you’re still unsure about sizing, send us an email at customercare@wearnumi.com.
Absolutely! All our undershirts are machine-washable and dryer safe. Simply wash them cold and with like colors.