Originally Posted by bgraves28
Fudman, I am sorry to be the one to say this but you are completely wrong in what you said. UA has no lycra, look at a tag. 66% Nylour™ / 19% PolyArmour™ / 15% Elastene. This material does the complete opposite of cotton in that it takes moisture away from the body thus keeping you warmer after sweating. You should do some research before you try to "help" somebody.
Hook, line and sinker, if I've ever seen one, LOL.
All those trademarked names are just Under Armour marketing-speak for common materials, i.e. Oakley's "Unobtainium" (at least that one was tongue-in-cheek). You should know that Under Armour does not make any fabric (much less fibers and/or raw materials), and their second-party manufacturers (i.e. outsourced) buy their materials from UA pre-approved third-party
(Source: UA 2006 Annual Report http://investor.underarmour.com/comm...nualReport.pdf
Prior to Under Armour's recent bent (as little as two seasons ago) in creative terminology, their items were marked with actual materials. My UA Cold Gear Ski Shirt is specified as 64% nylon/22% polyester/14% elastane. My UA underwear is specified as 91% polyester/9% elastine(sic).
Guess what elastene/elastane/elastine (and presumably, elastone/elastune/elastyne) is?http://en.wikipedia.org/wiki/Spandex
I bought into UA hype about two years ago. Compression is a unique feeling, and it's definitely an ego trip in the mirror if you have the body for it. It feels warms in the store, but like fudman22 said, nylon and elastane are hydrophilic, and does not dry nearly as well as a predominantly polyester (hydrophobic) fabric, especially one that is structured for capillary wicking. Once UA gets soaked with sweat, it dries better than cotton (obviously), but worse than polyester technical baselayers such as Patagonia's Capilene.
The good thing about the high-stretch, compression-fit baselayer is that it makes it easier to get in-and-out of technically-fit (read: almost-as-tight) midlayers. In addition, you lose the normal bagginess in the waist area (this is assuming you don't have a gut) that is required to get a less-stretchy baselayer over the width of one's shoulders.
The thing that eventually turned me off from UA is the compression feature. It's actually good in thinner fabrics and for the legs (and support of... um... valuables), but the thicker compression fabrics (such as on the UA Ski Shirt) restricts my breathing at high altitudes. You feel yourself exerting energy and fighting against the elastic shirt when your breaths deepen.