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"Wool isn’t a performance fabric"

Baseball caps to have new feelUSA Today
New Era is coming out with new baseball caps that are made of a new fabric that “is designed to ‘wick’ away sweat and evaporate it while reducing the stains, odor, shrinkage and fading that come with wool.” That sounds good, but I am wondering if I should go out a buy a couple of wool ones while I still can.

The photo accompanying the article includes a Nats home cap. Seeing it side by side the other caps (Pirates, Mets, A’s and Yankees) reinforces the idea that the Nats cap is a classic.