Signature Undershirt 30% OFF

Buy 3+ Undershirts and get 30% off your order.
Use code BUNDLE30

Buy 3: Save $58

Buy 4: Save $78

Buy 5: Save $97

Buy 6: Save $117

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#1 Best Seller

The Signature Undershirt

$65

$65.00
$65.00

Meet our #1 best seller, The Signature. This OG undershirt is the ultimate base-layer for every outfit. No more sweat-stains or deodorant marks – stay fresh and feel clean all day with this game-changer. With 250,000+ sold worldwide, The Signature Undershirt is the real deal.

Color

stops 100% of sweat stains*

Absorbs moisture & odor

Lightweight& breathable

4-waystretch

*Based on moderate to heavy sweaters

Free Shipping

On orders over $150

Easy Returns

On U.S. & Canada orders

Risk-Free

100% Money Back Guarantee

As Featured In

A Resounding Hit

"This was my first Numi purchase and I couldn't be happier! These undershirts are comfortable and really help extend the life of my clothes by reducing washing."

Lauren A.

✓ Verified Purchase

“Underarm shields are well-made and beautifully constructed. Unlike other products on the market, they are cut low in back and front and along the side of the collar so they don't peak through the overgarment.”

Tanyss L.

✓ Verified Purchase

“I got this shirt because I use natural deodorants and they don't work as well as antiperspirants. This shirt protects my blouse and keeps me odor free.”

Jaclyn G.

✓ Verified Purchase

FEEL YOUR BEST

Why wear a Numi undershirt?

With each undershirt boasting innovative stain prevention and freshness technology, having a variety equips you for any situation. From workdays to workouts, having extras ensures you're constantly armed with confidence and ready to take on the day, no matter what it brings

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Secret Sweat Shields

Our undershirts have a discreet and ultra-comfortable underarm sweat protection shield. Crafted from Contemporary Cotton™, a unique technical fabric that absorbs sweat and resists odors, our shields employ a one-way moisture transfer system, effectively redirecting moisture and sweat away from the body and keeping your clothing fresh for longer.

Thermo-Regulating.4-Way Stretch

TENCEL™

Stay ahead of sweat with our advanced technology. Crafted from 90% Thermo-Regulating Tencel™, a supremely soft, breathable, and lightweight fabric that maintains your body temperature, ensuring you stay cool and dry throughout the day. The addition of 10% Lycra® offers optimal 4-way stretch and unmatched comfort for the ultimate layering essential.

4-Way Stretch

Invisible Fit

Our undershirts are designed to fit snug to the body and be invisible under your clothes. Seamless Sleeves And The Ultra-Soft Four-Way Stretch to provide greater freedom of movement. Fabric Feels Soft On The Skin And Works Perfectly For Layering. 

Feel Your Best

Bid farewell to the constant annoyance of sweat stains and deodorant marks and forget about the anxiety of unexpected blemishes that erode your confidence. Embrace a realm of limitless comfort through our innovative design, ensuring you remain fresh and stain-free all day long.

Don’t miss out! Take advantage of our offer before it expires

Buy 3+ Undershirts and get 30% off your order

FAQs

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The Mock Neck Undershirt - Numi
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The Mock Neck Undershirt - Numi

The Mock Neck Undershirt

$75.00
BUY NOW