MerinoTech 100% Organic Merino Wool T-Shirt for Men - Lightweight Base Layer Undershirt & Hiking Socks Set | Perfect for Outdoor Adventures, Travel & Everyday Comfort

I purchased one of these shirts and shortly after I purchased another one because I liked it. It's a nice, airy 100% wool shirt. Smartwool and others typically (from what little knowledge/experience I have ) seem to do 10 or 11% Nylon to make them more durable. I can't speak to whether that's good or bad.I have washed these shirts twice, once by hand and once in my machine folded neatly and stuffed into a laundry bag. I lay them flat to dry. While wearing each, it felt like one was longer than the other, and sure enough that is indeed the case.One is 27" in length and the other is 28 1/2" in length. They're both mediums and they're both from this product listing. Kindof annoying that there's such a great difference in size. "fit" is more or less the same from one to the other.For around forty bucks, plus the free pair of mid-weight (not great fitting, but decent) socks it's an alright deal. I don't think I'll buy any more from these guys until I see how these shirts hold up over the years.It does seem to be actual wool since after going for objectively intensive walks in the warm weather, these shirts don't stink (even though I do) and they smell like wet sheep when I pull them out of the wash (hand wash or wash bags only).Construction is typical of a t-shirt. ribbing around the back of the collar to reinforce and keep its shape. Single seam at top of shoulder, seams at side. I would prefer a double seam at the top (keeping the very top flat) and side seams to taper inward, as it's more conducive to comfort while carrying a backpack, but that's a more expensive process. These are "casual" shirts, for sure.I may update this as time goes on :)