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Bestseller
A person with long dark hair poses with one arm raised, wearing The Signature Undershirt by Numi in light beige, and looking off to the side. A woman with long dark hair stands facing forward, wearing a light beige short-sleeve top and light brown pants against a plain background. Her Signature Undershirt by Numi ensures she stays comfortable even in the heat, thanks to its sweat-proof design.
The Signature Undershirt
Sale price$70.00
Bestseller
"#color_TRUFFLE | Emi is 5'7.5" and wears a size S "#color_TRUFFLE | Emi is 5'7.5" and wears a size S
The Square Neck Cap Sleeve Undershirt
Sale price$70.00
Bestseller
A woman wearing Numi's sweat-proof light pink "The Crop Undershirt" and beige high-waisted pants stands against a plain white background. Rear view of a person with long dark hair wearing The Crop Undershirt by Numi in light pink, paired with beige leggings, standing against a plain background.
The Crop Undershirt
Sale price$65.00
Bestseller
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. 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.
The Lace Undershirt
Sale price$70.00
Bestseller
A person with long hair is wearing a white The Three Quarter Undershirt from Numi and beige pants, standing against a plain light background. A person with long hair is standing with their back to the camera, wearing a white Numi Three Quarter Undershirt and beige pants.
The Three Quarter Undershirt
Sale price$70.00
"#color_BLACK| Emi is 5'7.5", wearing a size S "#color_BLACK| Emi is 5'7.5", wearing a size S
The Merino Wool Signature Undershirt
Sale price$85.00
Last Chance
"#color_CHARCOAL| Siobhan is 5'8.5", wearing a size S "#color_CHARCOAL| Siobhan is 5'8.5", wearing a size S
The Mock Neck Undershirt
Sale price$75.00
Last ChanceSave 45%
"#color_BLACK| Siobhan is 5'8.5", wearing a size S "#color_BLACK| Siobhan is 5'8.5", wearing a size S
The Merino Wool Turtleneck Undershirt
Sale price$120.00 Regular price$220.00
NEW
The Semi-Fitted Undershirt The Semi-Fitted Undershirt
The Semi-Fitted Undershirt
Sale price$70.00

Why Wear an Undershirt?

why wear an undershirt

NO SWEAT. NO STRESS.

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Sweat & Stain Protection

Sweat-proof, odor resistant underarm shields keep you dry, and clothes stain free. 

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All-Day Confidence & Easy Layering 

Slim shield, lightweight, breathable, 4-way stretch fabric.

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Save Time & Money

Save on dry cleaning costs and time by protecting your tops.