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Reach for your cool, lightweight Rab Women's Aeon Tech T-Shirt when your mountain pursuits get hot and heavy. Silkweight fabric quickly wicks moisture away from your skin while you climb or pack. Thanks to a performance fit and flatlock seams, you'll hardly notice this little slice of gear paradise until you're stripping it off to jump in a chilly spring-fed lake at the summit.

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Here's what others have to say...


Lightest t-shirt ever

  • Gender:Female
  • Familiarity:I've put it through the wringer

I sweat a lot working out, and I love it, but if I'm wearing the wrong clothes, it's not pretty.

This one helps a lot with that, and it feels so light and soft that you feel great putting it on!

I ordered a Large, even though I usually wear M, and it fits, so yeah, go one size up.


Runs small

    I really liked this top, but it was too short and a little small in the shoulders. I'm 5'1" 120 pounds and the small was too small, which never happens. I'd recommend going a size up.

    I thought the fit was just right. I'm 5'2" 104 lbs with narrow yet muscular shoulders and the XS was perfect. The material was thinner than expected, but the shirt wicked mositure really well and kept me cool and dry. I hardly felt like I was wearing anything.