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Active Ultralite Crewneck T-Shirt

Smartwool

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SOLD OUT

This item is no longer available. Browse our recommendations for something similar.

Details & care

Soft, breathable merino wool enhances the all-activity comfort of this sporty T-shirt that naturally regulates your body's temperature to help you stay dry and odor-free.

  • Crewneck
  • Short sleeves
  • Merino wool naturally resists odors and helps regulate body temperature for comfort
  • 53% merino wool, 47% Tencel® lyocell
  • Tencel lyocell is a more-sustainably produced fiber made with closed-loop processing
  • Machine wash, tumble dry
  • Imported
  • Item #11368873
  • Core Product ID 333334E4UU

Size info

  • XS=0-2, S=4-6, M=8-10, L=12-14, XL=16-18.

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Smartwool

Smartwool was launched in 1994 in Steamboat Springs, Colorado, and initially specialized in performance socks made of Merino wool. Today the company continues to push the boundaries of Merino to create smarter, more capable outdoor apparel from head to toe. Built on the desire to be comfortable outside, Smartwool exists to help people play, live and laugh in the great outdoors.

Reviews

(14)144.6 out of 5
Write a Review

Most helpful positive review

Sept 17, 2026

Feels fabulous

I have now tried 4 different brands of merino wool t shirts. I have pretty sensitive skin, and I will say the Ultralite fabric is wonderful, silky, non itchy, very comfortable to wear, and is the winner of the brands I have tried. I bought a Small, and I like the fit. It is a bit loose on me, but at 69 I'm all about comfort and don't like slim fitting shirts as they are not flattering on me. I am 5' 1" tall and weigh 110 lbs. , 34B chest.
canuckinvt

Most helpful critical review

Sept 6, 2026

Short shelf life

When I first got this shirt towards the end of May, I was in love. However, by the end of August it was full of tiny little holes despite following the care guidelines. At a very expensive price point for a t-shirt, I would run don’t walk from this item. Absolutely low quality
TaW

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5 stars86%
4 stars7%
3 stars0%
2 stars0%
1 star7%
Sept 17, 2026

Feels fabulous

I have now tried 4 different brands of merino wool t shirts. I have pretty sensitive skin, and I will say the Ultralite fabric is wonderful, silky, non itchy, very comfortable to wear, and is the winner of the brands I have tried. I bought a Small, and I like the fit. It is a bit loose on me, but at 69 I'm all about comfort and don't like slim fitting shirts as they are not flattering on me. I am 5' 1" tall and weigh 110 lbs. , 34B chest.
canuckinvt
Sept 14, 2026

Comfy, lightweight

Super comfy and lightweight enough to work under other layers. I plan to purchase more!
Emily D.
Sept 6, 2026

Short shelf life

When I first got this shirt towards the end of May, I was in love. However, by the end of August it was full of tiny little holes despite following the care guidelines. At a very expensive price point for a t-shirt, I would run don’t walk from this item. Absolutely low quality
TaW
Sept 2, 2026

Great, but size down

Love everything about this shirt but the size. I have a smartwool shirt and zip-up and they are both size large and fit great (even though I typically wear a medium in other brands). So I ordered a large in this shirt. It's really large. I might even be able to wear a small. But the color and material were so great, I couldn't send it back! Another fun thing, my sweat was not visible!
Lindsay
Sept 2, 2026

Great Shirt!

Love this lightweight wool shirt. My go to for cycling. Super light and washes well.
Sara
Aug 29, 2026

Very comfortable

Very soft and comfortable. I am 5'1" and weigh 109 lbs and I bought a size small. I probably could wear an XS but I prefer a looser fit. The size Small is a little bigger than I expected but I like it.
canuckinvt