Swick: Undershirts That Hide Sweat Marks

May 12, 2014 | By | Reply More
6/4/14 – FYI This item has been discontinued, per the founder. 

Just came across this new sweat-mark hiding undershirt from newcomer Swick (was on swicktees.com). Looks like they officially launched their offering last month in April 2014.

Swick is a uniquely designed undershirt. It was engineered to hide perspiration and maximize comfort. Wear Swick undershirts with your favorite button-up.

Swick was designed for every man. We started with a technique used by those who suffer from Hyperhidrosis (excessive perspiration).

But Swick uses high-tech materials to evaporate light to moderate perspiration. Moisture is not trapped in uncomfortable pads.

The company is currently offering their special undershirts for $8.99 (regular price $14.99) plus free shipping.

Swick Undershirt Product Details

  • Website: http://www.swicktees.com/
  • Price: $14.99 (On sale for $8.99)
  • Styles: Crew Neck, V-Neck
  • Colors: White
  • Sizes: S-XL
  • Details: Swick undershirts have moisture barriers under each armpit. Barriers are comprised of layers of high-tech fabrics. Together the layers prevent moisture from penetrating while dissipating it as vapor. Not just your armpits are protected. The entire shirt shirt is made of moisture wicking synthetic. This fabric has been shown to reduce visible perspiration and allow faster drying.

Based on the photos, it looks like the company may be taking existing performance t-shirts and adding their underarm barrier to it.

I’ll reach out and see if I can find out more details.

Swick Undershirt Photos (Click to Enlarge)




swick-crew-neck-sweat-through-resistant-undershirt-underarm-shot swick-crew-neck-sweat-through-resistant-undershirt

Update #1 – 5/14/14

I heard back from one of the founders of Swick:


Thanks for your support and taking the time to contact us.

The shirts are currently completely manufactured at our supplier in Canada. They even weave the fabric used for the body of the shirt.

The shirt material is made of a polyester/cotton. After testing, we found this blend offered the optimal combination of comfort and wicking ability. The shirts wicking ability is important for two reasons:

1. The shirt wicks moisture over a large surface of the underarm barrier. This allows moisture to evaporate quicker. Rather than trapping sweat in an armpit pad, our shirt dissipates sweat at a controlled rate, over a large surface. This technique offers significantly better comfort. Our solution is much thinner than competitor’s products and the drier environment feels better against the skin.

2. It reduces visible perspiration over the complete surface of the surface. Our tests showed that perspiration was less visible when hydrophobic (wicking) materials were warn rather than hydrophilic (absorbent) materials.

I would prefer to not reveal the patch material. The material is a thin, breathable layer.

The current version of our undershirt is manufactured from scratch. However, to avoid unnecessary seams against the skin, the undershirt has an unfinished edge around the patch (which is what you see in the picture). Future versions will have a flat, finished seam instead.

We believe we offer a shirt that is suitable for a different customer than existing products. Our shirt is very comfortable, but it still offers reliable sweat stain protection for people with average or moderately above-average perspiration. Existing products are divided into two segments. Those that offer good comfort but little to no sweat-stain protection and those that offer good sweat-stain protection but are uncomfortable. These shirts are suitable for people who sweat only a little and people who sweat a lot (hyperhidrosis) respectively. There is nothing in the middle. This is how our product fits into its own category in this crowded market.

We recently sold out the first version of our undershirt after receiving a positive response. We are currently preparing for the second version of our shirt, which will offer additional features that improve fit, comfort, and performance in addition to a more refined look.

Thanks again for your interest,


My Response to Matt

heya matt,

thanks for getting back to me buddy and for sharing the additional details about your approach to the shirt design.

i tend to a agree that a blend of cotton/poly (like 50/50) is a good choice for this type of shirt since it has both absorption and wicking characteristics. similar to viscose from bamboo.

sounds like you’re doing something interesting wrt the sweat-through protection in the underarm area — something i’ve thought about for some time. there are lots of newer liquid-proofing fabric technologies (like coatings or special weaves like smartweave) which i believe helps lower the profile of sweat-through proof fabric barriers, allowing the garments to be more comfortable. sounds like you’re doing something along these lines.

keep me posted on your developments — would love to try out some of your items, either now or when you have your next version.

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Tug is the world's undershirt expert. He is also one of the most knowledgeable individuals on sweat management solutions, men's shapewear, grooming, and new fabric technologies. Got a question? Visit Tug's contact page and hit him up.

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