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Ultralight and breathable R1 Ultralight Hoodie built for high-output mountain layering
What Our Gearhead® Experts Are Saying:
"I use this layer anytime I’m moving fast in the mountains and need warmth without overheating. It breathes exceptionally well under a shell, stretches easily when reaching or climbing, and packs down small in my pack. The hybrid fabric placement really works—I stay warm up front without trapping heat on the back."
When the pace is high and conditions keep changing, we rely on the R1 Ultralight Hoodie to regulate warmth without slowing us down. Patagonia designed this piece for mountain movement, where breathability, stretch, and low bulk matter as much as insulation. Whether we’re skinning uphill, climbing in cool conditions, or hiking long miles with a pack, this hoodie keeps us comfortable through constant transitions.
The hybrid construction places Polartec Power Grid fabric where we need warmth most while using Capilene Thermal Weight panels to dump excess heat and reduce bulk. A low-profile hood layers cleanly under a helmet, and the slim fit stays tucked under harnesses and waistbelts. Thoughtful details like offset shoulder seams, thumb holes, and chest pockets make this an essential active layer for demanding days in the mountains.
Details
- Ultralight active layer for high-output mountain pursuits
- Hybrid insulation balances warmth and breathability
- Polartec Power Grid fabric offers stretch and moisture management
- Capilene Thermal Weight panels reduce bulk and improve venting
- Low-profile hood layers easily under helmets
- Slim fit designed for technical layering systems
- Zippered chest pockets maintain airflow and secure essentials
- Item #PATZB9W
- Responsible Collection
- Recycled/Repurposed
- Material
- 100% recycled polyester flat-faced double knit
- Fleece Weight
- ultralight
- Fit
- regular
- Length
- hip
- Hood
- bound
- Pockets
- 2 zippered hand
- Venting
- half-zip
- Thumbholes
- none
- Claimed Weight
- 7.8oz
- Activity
- hiking, skiing, snowboarding, climbing
- Manufacturer Warranty
- limited lifetime
Patagonia R1 Technical Fleece

Your Layering System
Breathable, warm technical fleece to help you stay in your sweet spot for longer
Meet The Fabrics

Regulator TechFace
Most Protective
Extra-tough fleece with the abrasion- and weather-resistance of a soft-shell jacket

R1 Thermal
Warmest
With a soft microgrid interior and woven exterior for light weather resistance

R1 CrossStrata
Most Protection
Extra-tough fleece with the abrasion- and weather-resistance of a soft-shell jacket

R1 Daily
For Everyday
Traditional fleece feel with technical performance, perfect for everyday activities




Shop More R1

Buy Less, Demand More
Patagonia is a global leader in outdoor apparel, known for its unwavering commitment to environmental and social responsibility.
Sustainability at Patagonia

1% For The Planet
Since 1985, Patagonia has pledged 1% of sales to the preservation and restoration of the natural environment.

bluesign System
Patagonia works with bluesign technologies to evaluate and reduce resource consumption in the materials supply chain.

Recycled Content
By using pre-consumer and postconsumer waste, Patagonia limits dependence on raw materials.

Fair Trade Since 2014
Through a partnership with Fair Trade USA™, Patagonia has been making Fair Trade clothing since 2014.
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