The Square Neck Cap Sleeve Undershirt
The Square Neck Cap Sleeve Undershirt
Meet One of our Most-Loved Styles.
This undershirt is designed with cap sleeves to seamlessly layer under all your shorter sleeved blouses without peaking out. With a flattering square neckline, it will also work perfectly with your favorite blazers & cardigans.
This style is shorter than our OG Signature Undershirt. It will hit slightly below your waist, making it easy to wear tucked in or out.
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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
- Reversible neckline: choose between square or round neck
- Seamless sleeves with raw edge for an invisible look under outer layers
- The ultimate essential base layer
FIT
- Slightly cropped length that hits slightly below waist
- Slim fit for an invisible base layer
- Short cap sleeves
- Order your regular size for the perfect, snug fit, or size up for a more relaxed look
FABRIC & CARE
FABRIC
- 90% Thermo-regulating, TENCELâ„¢ 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
CARE
- Machine wash cold, tumble dry low
- Wash with like colors
Size Guide
Fit Tips
Rumiruw Essential Undershirts: Our undershirts are tightly fitted to the body, with some stretch to the fabric. If you fall between sizes on the chart, we recommend choosing the larger size as they are a snug fit.Â
Rumiruw Sustainable Silk™: Our silks fit true to size. If you fall between two sizes on the chart, we recommend choosing the larger size for comfortability.
F.A.Q.
Frequently Asked Questions
What is a sweat-proof undershirt?
A sweat-proof undershirt is a type of undershirt designed to prevent sweat from showing through outer clothing. Our undershirts contain moisture-wicking properties and sweat-absorbing underarm pads.
How does the sweat-absorbing underarm pad work?
Each sweat-proof undershirt features a sewn-in gusset, a one-way moisture transfer system that absorbs moisture away from the body while preventing it from moving through and staining the outer garments.
Our technology is embedded at the yarn stage, which means it won’t wash out and will last the life of the garment.
This gives you extra sweat protection while keeping you dry and comfortable, and keeps your clothes clean longer.Â
How do I wear an undershirt?
Our sweat-proof undershirts are meant to be worn as a base layer underneath your outer clothing to provide a layer of protection against sweat stains.
We recommend layering your undershirt under sweaters, blouses, or any other top layer to prevent visible sweat stains from showing through onto your clothes.
By wearing an undershirt, you can stay dry, comfortable, and confident throughout the day.
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