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Number one for a reason.

How about an ultralight, temperature-regulating shirt that offers warmth in cool temps and breathability in warm temps? We're talking about the Patagonia Women's Merino 1 Silkweight Crew Top. Embrace the mix of nature's material and recycled polyester that Patagonia uses to create this wonderfully comfortable year-round top. The slim fit means this top works well as a stand-alone in summer and a baselayer in fall and winter.

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Patagonia Merino 1 Silkweight Crew Top - Women's

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Here's what others have to say...

1 5

Shirt great but Patagonia Sized UP

Love the shirt fabric, but the fit is HUGE. I have been wearing Patagonia for 30 years and now xs no longer fits. I can wear my old stuff, but the new extra smalls are the old smalls. I now wear mostly European clothing. Too bad, great brand.

5 5

durable, versatile

  • Familiarity: I've put it through the wringer

I wrote a review about 1/2 year ago when I first bought the shirt. Now after half a year of extensive use, I can honestly say, they are durable, and they are extremely versatile. In fact I've bought 3 different colors and use them all the time - in the office to layer over a s/s tee, in the fall under other l/s tees or sweater, on errands and trail runs when it's cool, and on hikes. I'd be a bit careful with wearing a backpack with these shirts - they do ball up which is a bit disappointing but not the least surprising - all merino shirts do that. But repeated washings in the machine haven't seem to damage them a bit, even though they are really thin. I expect to use them as first layer this winter.

4 5

whisper light, too much poly filler

I was very happy to see Pati relaunched its merino 1 line this season, and it didn't disappoint. The fabric is super thin, yet it doesn't feel like it'll disintegrate in your hand. I think it's b/c of the poly blend they added in. Fit-wise, I ordered my usual Pati size, and fits perfect. Some people might have issues w/ the arm length. I've got normal arm lengths, and the sleeves fall exactly at bottom of my hand. But if I were reaching overhead for a hold on a climb, sleeves will be a tad short. The length of the shirt is excellent. Please visit Pati's product page for this item if you are curious about the back length - a Pati employee has posted back lengths of every size.

I haven't worn this shirt enough times to comment on durability, but I have worn it 5 days straight so far during the day, in office and out trail running (~30F weather) under a layer. It has just a hint of smell under the armpits. I never detected any hint of smell when I worn all-merino shirts, so I would attribute the slight smell to the poly filler, which unfortunately is quite high for this shirt (35%). I would like to see Pati using 80% merino content for this line, as they do for their other merino lines such as merino 2 and 3.

I love the contrasting stitching on the plum color, and the beautiful nile blue (looks like turquoise in real life). All in all, it's a shirt that can be worn all year, layered or on its own.