Patagonia R1 Pants - Men's


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Predawn alpine start: zip shut the tent, get moving, and crank up the heat. On a body-steaming frigid approach, when it feels like you should be able to hear your freezing vapor make a sound like shattering glass, the stretchy mobility and surprising warmth of the simple Men's R1® Pants fro Patagonia enable your every escape. The improved high/low grid R1® polyester fabric (Polartec® Power Dry®) traps heat and maintains its warmth while letting you breathe, and is now even more breathable and compressible, with an improved feel and durability. The clean design allows for frictionless layering or stand-alone use as a tight. With a low-bulk, brushed-elastic waistband and a zippered back pocket. Recyclable through the Common Threads Recycling Program.


  • Fabric: 6.8-oz Polartec® Power Dry® 93% polyester (41% recycled)/7% spandex. Recyclable through the Common Threads Recycling Program
  • Versatile R1® fleece provides excellent stretch, warmth, wicking and breathability in a variety of temperatures
  • High/low interior grid structure enhances compressibility, airflow and dry time
  • Jersey microfiber face speeds moisture-wicking and allows for easy layering
  • Low-bulk brushed elastic waistband
  • One zippered, secure rear hip pocket
  • Weight: 263 g (9.3 oz)

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Review Summary

5 out of 5

5 Reviews

Comfort: 5 / 5
Quality: 5 / 5
Fit: 4 / 5
Warmth: 4 / 5

5 Ratings & Reviews

light weight and warm
November 18, 2007

I was hoping these pants were going to be the outer ware pants i had made from the same material, but alas they weren't and I'm glad I bought them anyway. They are warm and supply great and not bulky insulation under my dry suit

December 18, 2009

My second pair of R1 pants...My last pair lasted 2 years..Every Day use in Tibet..:)I use Patagonia Capilene for my 1st layer,then the R1s for second layer:) :)

Comfort: 5 / 5
Quality: 5 / 5
FitClothes: 4 / 5
Warmth: 4 / 5

So light pant
November 15, 2010

Its size fits me a little large, But I still like it, it is so light and can provide me warm. Ever before, I was always looking for such a baselayer pant, lightweight ,warm and comfy, I had a Arc'teryx Rho ar bottom, but that one is a little heavy while provides warm. Now I don't fear the cold winter and could go anywhere with so light pant.

Stay warm and dry at the same time!
February 20, 2005

Patagonia makes the world's best base layers and the Men's R1 Pants are the warmest in their lineup while keeping the Patagonia reputation for breathability. Add in the stretchability and you have the best of all world's when temperatures turn really cold.

November 12, 2004

Excellent and warm. Great construction!

Also Available

Patagonia Men's R1 Pants Photo

Forge Grey.

Available sizes, while supplies last, include size and size xs: xs, .

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