How to Choose Base Layers

Ideal for cold-weather activities, the women's Smartwool Classic Thermal Merino Base Layer Quarter-Zip is designed to keep you comfortable during high-intensity skiing, hiking, running and more.
Imported.
View all Smartwool Women's Base Layer Tops| Best Use | Multisport |
|---|---|
| Shirt Type | Partial-zip |
| Fabric | 100% merino wool (exclusive of decoration) |
| Moisture Wicking | Yes |
| Quick Drying | Yes |
| Underwear Weight | Midweight |
| Sleeve Length | Long Sleeve |
| Gender | Women's |
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Normally, Smartwool has great quality and products. It fits well and I like the style. This pullover does not hit that high mark of quality. I've owned it a few months. The material piles and there are small holes developing in areas that get more contact. It feels like it's falling apart. I've purchased some other merino wool items from other manufactures that have much higher quality for about the same price. I hope Smartwool improves their products.
The product is great but REi? I received the top with a store made tag and no Smartwool tag with care instructions and composition. Makes me think the top was worn.
Note: This is my 3rd 1/4 zip sweater. Just brought it home without trying it in a M, Grey Foggy Pattern. I also brought one home in Purple which runs large. This sweater in this color is EXTREMELY small. Several inches shorter than either this years sweater in Purple, or last years in Black. Very tight across the chest (I am a 36D so that is an issue). Will need to exchange for either a size L or perhaps this was a mismanufactured item? The inside is clearly stamped 'M'.
I have had this same 'sweater' for over ten years ... two different colors, and now a replacement of one of them. It is warm, natural and very stylish also. It wears well and looks great - goes under clothing or is worn on its own. I am thankful they still make this sweater after all these years. At times I have thought I should buy five or six more IN CASE they ever stop making it so that I will always have one. That's how much I like it. Bottom line, I HIGHLY recommend this sweater.
Thicker wool. Not itchy. Nice zipper. Fit is similar to past ones with quarter zips that I own. Usually wear medium and that's what fits. 5'4", 135 pounds
I've worn this every day since I bought it, with a brief pause for washing. It's super thin and warm, fits nicely under my ski jacket, and is great for freezing weather. I went with the 2X size so it looks nice with t-shirts and jeans/leggings (rather than using it as a thermal). The aqua color is true to the pictures, and I've just ordered the black because I like my first one so much. I'm going to use this for outdoor activities, dog walking, pilates, and general life.
I love that this top is 100% wool. I'm always looking for 100% natural fibers clothing and this fits the bill. I have some of these already and love them for travel and home. They have a wide temperature comfort. I used this top for a 50 day Camino trip (500 miles) and was great to wear in the cool mornings up to warmer mid day and cool evenings. I wear it close to skin top and as a light sweater with layers under. It doesn't take much space in the backpack or bike pack. Very good layering top. For Spring to Fall travel I use this top with Cashmere sweater (weight for warmth is great), a primaloft packable lightweight jacket (recycled polyester), and a rain shell and I can keep my travel back pack to 20 pounds.
Long time fan of smartwool, despite the priciness. The cut of this, a medium, is a fail with my figure as I have a bosom and there's no darts/accommodation so it's too tight across the chest, though it fits my shoulders and waist fine. Also, the sleeves are too long (which wouldn't have been a dealbreaker, but adds to my pain) I'm a 36C. I'm returning it b/c I need to love it for the price.
This is the second one of these I purchased. They are expensive at full price, but well made. I purchase them when I have an REI discount or member rewards. The colors are beautiful and they are comfortable. I believe they run small. I am 5’8” and 148# and normally wear a size 10. The first one I ordered in a size large and it fits well, but if it ever shrinks it will be too tight for my preferred loose fit. The second one I ordered a size XL (which is a 16) and it fits looser as I prefer. But I am definitely not a size 16; not even close.