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Bestseller
"#color_almond| Emi is 5'7.5" and wears a size S "#color_almond| Emi is 5'7.5" and wears a size S
The Signature Undershirt
Sale price$73.00
Bestseller
"#color_black| Siobhan is 5'8.5" and wears a size S "#color_white| Siobhan is 5'8.5" and wears a size S
The Square Neck Cap Sleeve Undershirt
Sale price$73.00
Bestseller
"#color_BLUSH|Emi is 5'7.5" and wears a size S "#color_ALMOND|Emi is 5'7.5" and wears a size S
The Crop Undershirt
Sale price$67.00
Bestseller
"#color_WHITE|Emi is 5'7.5" and wears a size S "#color_WHITE|Emi is 5'7.5" and wears a size S
The Lace Undershirt
Sale price$73.00
Bestseller
"#color_BLACK|Siobhan is 5'8.5" and wears a size S "#color_ALMOND|Emi is 5'7.5" and wears a size S
The Three Quarter Undershirt
Sale price$73.00
The Merino Wool Signature Undershirt
Sale price$95.00
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 Chance
"#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
Last ChanceSave 26%
"#color_ALMOND|Elyse is 5'9", wearing a size XS "#color_ALMOND|Elyse is 5'9", wearing a size XS
The Shelf Bra Cami
Sale price$48.00 Regular price$65.00
Last Chance
"#color_BLACK| Siobhan is 5'8.5", wearing a size S "#color_BLACK| Siobhan is 5'8.5", wearing a size S
The Long Sleeve Square Neck Dress
Sale price$120.00
Last ChanceSold out
"#color_CHARCOAL| Tolu is 5'7.5", wearing a size M "#color_CHARCOAL| Tolu is 5'7.5", wearing a size M
The Signature Undershirt Charcoal
Sale price$48.75 Regular price$65.00
NEW
The Semi-Fitted Undershirt The Semi-Fitted Undershirt
The Semi-Fitted Undershirt
Sale price$65.00

FIND THE PERFECT UNDERSHIRT FOR ANY LOOK

Elevate Your Essentials with Multiple Fits

Varied Top Lengths | Range of Necklines | Different Sleeve Lengths & Finishes I All Sweat-Proof

STOPS SWEAT STAINS

ABSORBS MOISTURE & ODOR

LIGHTWEIGHT & BREATHABLE

4-WAY STRETCH

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FITS TRUE TO SIZE

Shop by Style

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The Crop 

Perfect for reducing bulk around your mid-section, especially when wearing high-waisted bottoms.

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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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The Three Quarter 

Classic fit with sleeves hitting just below the elbow. It features a reversible neckline for added versatility.

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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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Your Clothes Will thank you

Sweat Proof Underarm Shield

Numi’s patented underarm shield is made from a technical cotton that wicks and absorbs moisture and is designed to keep your clothes dry and clean all day. A must have for everyday comfort.

FAQs

Our sweat-proof undershirts 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 crafted from a breathable TENCEL™ fabric, our undershirts also help to regulate your body temperature, ensuring all-day comfort. Learn more here.

Our undershirts are designed for a snug fit to the body and layer invisibly under your clothes. The undershirt fabric has a four-way stretch to provide greater freedom of movement. If you prefer a looser fit, we recommend sizing up.

Our undershirts are designed to be invisible under your clothes. They fit perfectly under your favorite blouses, sweaters and blazers to stop sweat stains from appearing on your outer clothing. Your favorite clothes can stay clean longer now!With a variety of cuts and colors available, we've got styles for every wardrobe and outfit.