Shirts Page 1
As a sizing reference: I'm 5'7", 155 lbs (yeah, I'm a little guy), medium build (BDU top medium/regular, BDU pant medium/short), waist 32", chest 43". Keep this in mind when you read my comments with respect to sizing, so you have an idea of how the garments featured below will fit on you. ALL garments in these pages are size Medium, unless stated otherwise.
TO VIEW FULL SIZE IMAGES: USERNAME and PASSWORD are both "mm"
6/07/05 - RailRiders is a small company based in Massachusetts, that has made a name for itself in the adventure-racing community and events like the Eco-Challenge. They offer a wide range of clothing for the active individual - Adventure Racer, traveler, backpacker, hiker, or anyone looking for durable, lightweight and quick drying clothes. When I first heard about RailRiders from my friend Mel (from Kifaru), I thought to myself 'What's a rail rider?', conjuring up images of people riding on trains. Turns out it's not trains, but yacht-racing, where the term comes from. All RailRiders garments are engineered for light weight and comfort without sacrificing durability. The quick-drying fabrics are suited to wet/dry environments.
T is made of a nylon polyester waffle-weave wicking 'Hydroweave'
fabric (say that 10 times fast), with full length Hydrovent max
mesh panels on the sides for ventilation. The fabric is fast-drying
and odor-resistant. It's shown here in 'Stone', which is a very
light tan. Overall fit of the shirt around the torso is on the relaxed/loose
side, probably to encourage movement of the fabric and airflow through
the mesh. (I'm still debating whether a loose fit vs. compression
fit is better for keeping you drier. I've found that for a fabric
to wick moisture from the skin, it obviously has to be in contact
with the skin. A looser fit will allow air flow, but I don't think
the rate of evaporation from the skin is as fast as the wicking
speed. Without proper ventilation, you can have a 'microclimate'
between your skin and the fabric, which can prevent efficient evaporation
of sweat. The mesh panels on the Eco-Speed address that issue by
ensuring that outside air flows through the garment to speed up
evaporation, and combine it with the wicking properties of the fabric).
It's light weight at 4.5oz.
- At the request of an extreme endurance/adventure racer, looking
for ONE shirt that would be light weight, provide protection from
the sun but have maximum ventilation for hot, arid conditions; quick
drying, odor-resistant, durable and chafe-proof, RailRiders designed
Shirt, shown here in 'Birch'. Made from a light, tight-weave
material that feels more like cotton than nylon. That accounts for
the shirt's 5 oz fly-weight. It's not water-resistant, but it dries
amazingly fast, based on a few experiments I tried. I soaked it
in water, squeezed out the excess, and put it on. I was indoors
in the evening and the temp was about 70° (humidty was pretty
low), and the shirt was completely dry in about 35 mins. It'd dry
faster outside when worn in the sun. The material is so light that
it doesn't hold any water for long. The shirt sleeves have elastic
cuffs. Overall fit is roomy (without being overly baggy), which
is necessary for range of motion as the fabric is non-stretch. The
collar is a simple low-profile Mandarin style with a 4.5" opening.
A single velcro-secured tab closes the collar, or folds inside if
the collar is to be left open. A mesh-lined left chest pocket has
a 6" vertical opening with a velcro tab closure and is 4"
VERTX Action Polo with coldblack®
9/4/09 - The Action Polo from VERTX is a polo shirt designed for the professional that sets itself apart from the rest by utilizing coldblack® technology that reflects up to 80% of the sun's rays making dark colours feel like light ones. As a result, you stay cooler in hot, sunny conditions with protection from harmful UV rays with a minimum of UPF 30.
The VERTX Action Polo debuted along with their Tactical Pant featured in the above writeup. The VERTX brand is owned by Fechheimer, which has been manufacturing uniforms and and public safety apparel since 1842.
A few years ago, I was driving over to pick up a friend who is an 'industry professional' at his hotel, to go to a law enforcement conference/trade show. He told me on the phone "it's pretty crowded downstairs; I'm wearing a black polo and khaki pants." When I pulled up to the hotel, I got the joke, as at least a dozen guys in black polos and khaki pants were standing at the curb, each with their company logos embroidered on the polos.
The polo shirt is the go-to urban garment of the tactical professional crowd, having a smarter and more presentable appearance than a t-shirt, while providing more comfort in hot weather than a button-down or long-sleeved shirt.
As with tactical pants, the tactical market abounds with polos, most offering variations on the same design. VERTX set themselves apart by utilizing a new garment technology called coldblack.
coldblack - coldblack is a new textile technology which was launched in summer 2008 by Schoeller Technologies AG and Clariant International AG. Schoeller, the Swiss company, should be a familiar name to anyone who's owned soft shell jackets. Clariant is a global leader in the field of specialty chemicals. Schoeller is responsible for the sales, marketing, branding and patenting of coldblack; while Clariant is responsible for the sale of chemicals, technical support and quality control for the coldblack finish.
coldblack is a proprietary chemical finish for textiles that are exposed to direct sunlight over a long period of time. It is fully wash resistant and will not wash out. coldblack prevents textiles from heating up as much and offers protection against UV rays. In other words, coldblack is a sun reflector+ UV protector. In general, dark coloured textiles absorb both visible and UV rays of sunlight, heating up more than light coloured textiles, that reflect both light and heat. coldblack reduces absorption of heat rays, particularly in darker colours, and in all treated textiles, resulting in better heat management.
Black textiles can absorb up to 90% of the heat rays when exposed to direct sunlight, and heat up accordingly. When treated with coldblack, textiles reflect up to 80% of the heat rays and stay noticeably cooler. Test performed in the lab showed that a black coldblack shirt stayed approximately 9° F cooler than a non-treated shirt when exposed to simulated sunlight. Tests also showed that users sweated half as much when wearing a black shirt with coldblack technology vs. a conventional black shirt during activity. Besides garments, coldblack technology has been applied to automotive seat covers, sun shade/awnings, and tents, keeping those items cooler when exposed to direct sunlight. As you can imagine, this technology can have a lot of applications.
Features - Here are the key features on the VERTX Action Polo (size Medium shown):
Notes and observations - The Action Polo is a smart-looking shirt that's well designed and fits well, without being too loose at the bottom. The fabric has a smooth texture inside and a fine pique knit on the outside. The collar and sleeve cuffs are the same texture as the rest of the shirt - they are not ribbed. I found that the non-ribbed collar with stays doesn't roll and get wavy like the ribbed collars. I also like the raglan sleeves, with no seam on top of the shoulder.
Of course, the feature that I was most interested in was the coldblack technology. Without multiple shirts of the exactly the same fabric, both treated and untreated with coldblack in different colours, I had no way of making apples-apples comparisons. All I could do was select black and white shirts of similar fabrics and weights, and do a subjective 'walk around in the hot sun' test. I did have a white cotton polo and a synthetic black t-shirt of similar weight. Since it's the middle of summer, hot days were in plentiful supply, with the sun beating down from a cloudless sky. I wore the white polo to establish the baseline, trying to get a feel for hot warm it felt while wearing it under direct sunlight. I tried to have my back face the sun as I found it to be a bit more sensitive to temperature differences. It was a hot day, and no matter what I wore, I was hot. I took off the white polo then put on the Action coldblack polo and went out again into the sun, letting myself heat up. I could not feel an appreciable difference between the two. I did notice that the polyester fabric didn't get bogged down with sweat like the cotton polo. I then switched to the black t-shirt and let it heat up. I did feel a difference between it and the white polo/Action polo. It felt warmer underneath it, warmer to the touch and it warmed up faster as well. As far as quantifying exactly what the temperature difference was, I can't.
I spent the next few weeks wearing the VERTX Action Polo in the sun during the day, and other black garments as well. Granted they were on different days with minor temperature variations, but the temperature was pretty consistently hot in mid July through the month of August. It's been both hot and humid for the past week or so here. My perception is that the coldblack-treated polo does feel cooler than a non-treated black shirt. It can also have something to do with the material, but I can't say. Bear in mind that if it's hot outside, you're going to feel hot no matter what. The coldblack isn't going to make you feel 'cool', but it's my perception that I don't heat up as fast or as much when wearing it vs. other black garments - that I stay more comfortable. Based on what I've seen, I'd like to see coldblack applied to other fabrics and articles of clothing, like dark hats or BDUs, to see how it works out there. So far, it's promising.
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