![A person with long hair is wearing a white The Three Quarter Undershirt from Numi and beige pants, standing against a plain light background.](http://wearnumi.com/cdn/shop/files/the-three-quarter-undershirt-numi-20.jpg?v=1716583564&width=1200)
![A person with long hair is standing with their back to the camera, wearing a white Numi Three Quarter Undershirt and beige pants.](http://wearnumi.com/cdn/shop/files/the-three-quarter-undershirt-numi-22.jpg?v=1716583564&width=1200)
![A person with long dark hair stands facing forward, wearing The Three Quarter Undershirt by Numi in beige and light pink pants against a plain white background.](http://wearnumi.com/cdn/shop/files/the-three-quarter-undershirt-numi-3.jpg?v=1716583564&width=1200)
![A person with long dark hair stands with their back to the camera, wearing Numi's The Three Quarter Undershirt in light beige and pink pants.](http://wearnumi.com/cdn/shop/files/the-three-quarter-undershirt-numi-4.jpg?v=1716583564&width=1200)
![A woman wearing The Three Quarter Undershirt by Numi, featuring a white, reversible neckline and ¾ length sleeves with a slim fit, stands against a plain background. Text on the image highlights its sweat-proof material, making it an ideal undershirt for staying cool in the heat.](http://wearnumi.com/cdn/shop/files/the-three-quarter-undershirt-numi-8.jpg?v=1716583564&width=1200)
![The image features a woman wearing "The Three Quarter Undershirt" by Numi, a beige top equipped with sweat-proof underarm shields. The text underscores attributes such as confidence and comfort, heat resistance, time and money savings, and ease of layering.](http://wearnumi.com/cdn/shop/files/the-three-quarter-undershirt-numi-9.jpg?v=1716583564&width=1200)
![Close-up of a beige, textured The Three Quarter Undershirt by Numi next to text detailing its features: sweat-proof, all-day comfort, lightweight, stretchable, and durable.](http://wearnumi.com/cdn/shop/files/the-three-quarter-undershirt-numi-10.jpg?v=1716583564&width=1200)
![Comparison chart between Numi's The Three Quarter Undershirt and other t-shirts, highlighting Numi's benefits: built-in underarm shields, sweat stain and odor prevention, invisible shields, seamless sleeves, and breathable fabrics. Numi's sweat-proof design ensures you stay comfortable even in the heat.](http://wearnumi.com/cdn/shop/files/the-three-quarter-undershirt-numi-11.jpg?v=1716583564&width=1200)
!["#color_ALMOND|Emi is 5'7.5" and wears a size S](http://wearnumi.com/cdn/shop/files/the-three-quarter-undershirt-numi-2.jpg?v=1716583564&width=1200)
!["#color_BLACK|Siobhan is 5'8.5" and wears a size S](http://wearnumi.com/cdn/shop/files/the-three-quarter-undershirt-numi-1.jpg?v=1715898612&width=1200)
!["#color_BLACK|Siobhan is 5'8.5" and wears a size S](http://wearnumi.com/cdn/shop/files/the-three-quarter-undershirt-numi-17.jpg?v=1715898612&width=1200)
!["#color_HEATHER GREY|Aiko is 5'8", wearing a size XS](http://wearnumi.com/cdn/shop/files/the-three-quarter-undershirt-numi-13.jpg?v=1715898612&width=1200)
!["#color_HEATHER GREY|Aiko is 5'8", wearing a size XS](http://wearnumi.com/cdn/shop/files/the-three-quarter-undershirt-numi-15.jpg?v=1715898612&width=1200)
The Three Quarter Undershirt
- Size Chart
- How to Measure
-
IN CM
Size
Classic
Limited Edition
Your New Go-To Layer For Timeless Style, Versatility, And Comfort
The soft and breathable fabric, classic fit, and sleeves that hit just below the elbow make this everyone's favorite layer. Perfect paired with sweaters and blazers, it features a reversible neckline for added versatility. Elevate your style with this seasonless staple.
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.