Trail running in hot weather requires the right gear. Luckily, Patagonia knows this and has the ultralight and ultra-cool Capilene Cool Trail Shirt. It feels like air and breathes like a champ on even the hottest days.

Patagonia Capilene Cool Trail Shirt Features:

  • Capilene® Cool Lightweight fabric
  • Locker loop to hang dry
  • Tagless design
  • Built-in HeiQ® Fresh durable odor control
  • Set-in sleeve construction and underarm gussets
  • Regular fit
  • Weight: 70 grams (medium, actual)
  • MSRP: $39
Patagonia Capilene Cool Trail Shirt Review

Light and airy, the Capilene Cool is like being kissed by air.

Capilene Cool is Airy

Of course, that thick cotton shirt you have lying around isn’t a great option for trail running, but just what is it that makes the Patagonia Capilene Cool Trail Shirt so awesome? For starters, it’s ultralight and feels like air kissing your skin. Honestly, it shouldn’t come as much of a surprise since it weighs a paltry 70 grams. In case you didn’t know, that’s really light.

In addition to the ultralight feel of the Capilene Cool Trail Shirt, it has excellent moisture wicking capabilities. And, it dries in a hurry. It doesn’t take long here in Utah for the back panel of the shirt to dry after a long trail run. Once it does, the HeiQ Fresh odor control keeps things from getting stinky. I can comfortably wear this shirt 3-4 trail runs before it needs washing.

Patagonia Capilene Cool Trail Shirt and Slope Endurance Vest

The Capilene Cool Trail Shirt + Slope Runner Endurance Vest = TLF

Onto the fit. I’m 5’11” and 170 lbs and the medium fits perfectly. It’s a little more snug than the Arc’teryx Cormac Comp, for example. So, it may not be as comfortable of a shirt to just wear around casually. In addition, the hem length is sufficient for 90% of the time, but those occasional extended reach activities can expose a little more midriff than I’d like. I’m not calling it short, but it certainly could be an inch longer for added coverage.

At this price, it’s uncommon to find a shirt with 100% flat stitching. With that, you can expect awesome comfort even when worn underneath a hydration pack. The flat seams go unnoticed and simply blend in with the fabric. The overall cut is nice for running and seems to flow with every body movement. The sleeves are close-fit, but not tight and have a good length to them.

The Good

  • Ultralight design
  • So smooth next-to-skin
  • Breathes super well
  • Dries in a jiffy
  • Cut perfectly for running
  • A great value

The Bad

  • Hem length could be a touch longer

The Bottom Line: Patagonia Capilene Cool Trail Shirt

If you’re big on warm-weather trail running, the Patagonia Capilene Cool Trail Shirt is a great choice. It feels like a kiss of air next to your skin, breathes like a champ and dries in a jiffy. Oh, and don’t let me forget… it’s only $39.

Buy Now: Available from Patagonia.com

About Author

A native of the Pacific Northwest, Jason quickly developed a love for the outdoors and a thing for mountains. That infatuation continues as he founded this site in 1999 -- sharing his love of road biking, mountain biking, trail running and skiing. That passion is channeled into every article or gear review he writes. Utah's Wasatch Mountains are his playground.

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