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R1 Pant - Men's
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R1 Pants blend grid fleece warmth and stretch for alpine layering and recovery
What Our Gearhead® Experts Are Saying:
"These are my go-to for everything from skintrack warm-ups to post-ride chilling. They’re super breathable and the grid fleece keeps heat in without cooking me."
From early-morning trailhead starts to crashing by the campfire after a long push, the R1 Pants from Patagonia deliver the lightweight warmth and stretch we rely on in the alpine. These pants are crafted from 6.8oz Polartec® Power Grid™ fleece that’s soft next to skin and built for movement with a touch of spandex. The internal grid design traps warmth while enhancing breathability and compressibility, making them an essential midlayer for cold-weather missions.
We appreciate the R1 Pants not only for their performance but for their conscious construction. Made with 93% polyester—41% of which is recycled—and sewn in a Fair Trade Certified™ factory, they offer comfort with a conscience. Whether worn under shells for active layering or solo around basecamp, these fleece pants are a dependable addition to our cold-weather kit.
Details
- Lightweight grid fleece pants for alpine layering or camp lounging
- Polartec® Power Grid™ fleece offers warmth and breathability
- Stretch fabric enhances freedom of movement and comfort
- Elastic waistband with drawcord ensures a secure, adjustable fit
- Tapered legs layer easily under shell pants or belay bibs
- Made from 93% polyester with 41% recycled content
- Fair Trade Certified™ sewn and bluesign® approved fabric
- Item #PATZAYJ
- Responsible Collection
- Recycled/Repurposed
- Material
- Polartec Power Grid (52% polyester, 41% recycled polyester, 7% spandex grid fleece)
- Fit
- regular
- Insulation Weight
- lightweight
- Style
- sweatpant
- Pockets
- 2 hand
- Claimed Weight
- 12.5oz
- Activity
- ski, snowboard, fish, hike, camp, casual
- Manufacturer Warranty
- lifetime

Built On Environmental Responsibility
Founded in 1973 by climber and environmentalist Yvon Chouinard, Patagonia began as a small maker of climbing gear in Ventura, California.
Patagonia has grown into a global leader in outdoor apparel, known for its unwavering commitment to environmental and social responsibility.