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The Mock Neck Undershirt - Numi
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Almost Perfect Mock Neck Undershirt

$75.00 $40.00 Save 47% Sold out
4.84 reviews
Color: CHARCOAL
Size: XS

30-Day Money Back Guarantee

Available July 17 – Our Almost Perfect Collection

As part of our commitment to sustainability, we're giving select pieces a second chance. The Almost Perfect collection features Numi staples made with the same technical performance you rely on—moisture-absorbing, breathable, and ultra-comfortable—but with small aesthetic imperfections.

By offering these pieces at a reduced price, we’re helping reduce fabric waste and extend the life of quality garments that deserve to be worn and loved.

Please note: All Almost Perfect items are final sale and chosen at random. Imperfections may include:

  • Minor fabric streaks or black dots

  • Small pulls, snags, or micro tears

  • Outdated labeling or branding

  • Non-reversible or V-necklines

Thank you for supporting circular fashion—every piece makes a difference.
DETAILS

TECHNOLOGY

  • Contemporary Cotton underarm shields that wick away sweat, absorb moisture and odor
  • Guaranteed to stop 100% of sweat stains
  • Lightweight, 4-way stretch, comfortable and breathable
  • Unmatched luxury and softness of our staple fabric

STYLE

  • Mock neck
  • The ultimate essential base layer
FIT
  • Slim fit for an invisible base layer
  • Order your regular size for the perfect, snug fit, or size up for a more relaxed look
  • Hip length
  • Full length sleeves
  • Classic fit mock neck
FABRIC & CARE

FABRIC

  • 90% Thermo-regulating, TENCEL™ for ultra light weight softness, breathability, and keeping you cool and dry
  • 10% LYCRA® for optimal stretch and comfort
  • Made with shrink-resistant, fade-proof materials for long-lasting wear
  • Responsibly knit and dyed in Canada

Discover more about our fabric here.

CARE

  • Machine wash cold, tumble dry low
  • Wash with like colors
Color: CHARCOAL
Size: XS

What Sets Us Apart

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FAQs

Frequently Asked Questions

Why do I need an undershirt?

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.
What is a sweat-proof undershirt?

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.
How do I find the right size?

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.
Are Numi undershirts machine-washable?

Absolutely! All our undershirts are machine-washable and dryer safe. Simply wash them cold and with like colors.