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Women's Sweat Proof Undershirt - Original Fit Scoop Neck

Women's Sweat Proof Undershirt - Original Fit Scoop Neck

Sweat Proof Guarantee
Sweat Proof Guarantee

Free Domestic Shipping Over $50 Shipping Information

Our #1 Women's Undershirt

Breathe new life into your wardrobe, and say goodbye to sweat marks and stains for good. Our sweat proof women's scoop neck undershirt blocks underarm sweat and odor to help you feel dry and fresh all day, guaranteed.

Each cotton undershirt contains patented Hydro-Shield underarm barriers that absorb sweat and prevent moisture from seeping through and ruining your clothes and your confidence. The result? No more sweat stains and less laundry!

Our original fit scoop neck sweat undershirt for women offers discreet, comfortable protection beneath any blouse, top or button-down.

Made with 100% cotton and proudly made in the USA.

Patented Sweat Proof Technology for Women's Original Fit Scoop Neck Shirts

Patented, Sweat Proof Technology


Proprietary design prevents sweat from showing through your underarms and ruining your clothing — period.


Center seam with separate front and back sweat panels for a sleek, tailored fit and feel.


Sweat proof technology won't wash out or lose effectiveness over time. Prevent pit stains and keep your wardrobe fresh, day after day.

Women's Original Fit Scoop Neck Shirt Features
Feature 1

Ultra-soft, lightweight combed cotton

Our women's sweat proof cotton undershirts are made with 100% premium combed cotton. The original fit scoop neck undershirt is comfortable for daily wear.

Feature 2

Tagless, lay flat collar

Seamless look and feel: Thompson Tee's tagless design ensures the shirt lays flat with no unsightly bunching.

Feature 3

Machine washer and dryer safe

Machine wash the Thompson Tee women's original fit scoop neck undershirt in cold or warm water and dry on medium (or lower) heat.

Tuckable Women's Original Fit Scoop Neck TShirt

Long, Tuckable Length That Stays Put

Wear it anywhere or anytime with no distractions. The women's scoop neck undershirt features extra length to stay tucked in all day. Go ahead and wave those arms around!

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Thompson Tee Guarantee

The Original Sweat Proof Undershirt

We're serious when we say no more pit stains. We guarantee sweat won't penetrate the underarm barrier -- or your money back!

Thompson Tee Guarantee

Free Returns

Wear it, wash it and try it. We offer free returns on all opened or used shirts up to 30 days from purchase date.

Thompson Tee Guarantee

Made in USA

Every phase of production is completed in the USA - from materials to manufacturing. Each undershirt purchase supports U.S. jobs and manufacturing.

Thompson Tee Guarantee

Real Customer Service

No web bots here. We have a team of friendly people ready to answer all of your questions.

Size Chart

The Thompson Tee Original Fit styles fit like a traditional undershirt. If you want more of a looser, t-shirt fit, order up one size.

XS Size 0 - 2
Bust 29 - 30 in / 71 - 76 cm
S Size 2 - 4
Bust 30 - 32 in / 76 - 81 cm
M Size 4 - 6
Bust 32 - 33 in / 81 - 83 cm
L Size 8 - 10
Bust 34 - 36 in / 87 - 92 cm
XL Size 10 - 12
Bust 36 - 38 in / 92 - 97 cm
2XL Size 12+
Bust 38+ in / 99+ cm
Size Scale 0 - 2 2 - 4 4 - 6 8 - 10 10 - 12 12 +
Bust - Inches 29 - 30 30 - 32 32 - 33 34 - 36 36 - 38 38 +
Bust - cm 71 - 76 76 - 81 81 - 83 87 - 92 92 - 97 99 +

Faqs about our tees

How is the Thompson Tee different from other "sweat proof" shirts?
Original Fit vs Slim Fit: Which one is right for me?
Is the underarm barrier really sweat proof?
How does the sweat proof underarm barrier compare to sweat pads?