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Updated Fit
Updated Fit
Ruby
Ruby
Ruby
Ruby
Butterscotch
Butterscotch
Butterscotch
Butterscotch
Capers
Capers
Capers
Capers
Women's Pants

Siren Bib

A lightweight bib made with Flylow’s proprietary Intuitive™ PHD fabric for utmost waterproofing and breathability on alpine ascents and descents.

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Breathability
Temperature rating
Waterproof-ness
Details
The Siren Bib gives you a lighter weight and extra breathable bib top for backcountry missions. Thanks to our proprietary Intuitive™ PHD fabric for utmost breathability, you won’t sacrifice durability or wet out. The Siren is streamlined and durable with simple design, so you can focus on the day’s objective. A kangaroo front pouch stores your essentials, outer thigh vents release steam, and reinforced cuffs and knees keep scuffs away.
Materials
  • Intuitive PHD Stretch 3L: 100% recycled nylon
  • 30k/30k waterproof breathable
Features
  • PFAS-Free DWR (Durable Water Repellent)
  • Reinforced cuffs
  • Outer thigh vents
  • Articulated knees
  • Fully seam taped
  • 2 thigh pockets, kangaroo pocket w/ beacon attachment and 1 seat pocket
  • YKK waterproof zippers
  • Average weight: 567g
SIZE & FIT
Form Fit Slim Regular Relaxed

Relaxed: Our most generous fit that offers relaxed comfort and total freedom of movement without any extra bulk. This fit is free of constraints but still retains shape, structure and clean design.

  • We have changed all of our women's bottoms sizing to numeric to help you find a more customized fit. We had a fit session with models in multiple size ranges, 2/4, 6/8, and 10/12. All models said they could wear either size but it came down to personal preference. Our size 10/12 model said "I would wear the 12 for more layering options and I like a more freeride fit" Our 6/8 model said "I would wear the 6 with a thin baselayer as I would use this primarily for backcountry".
  • Model in Butterscotch and Capers is 5'7" 125 lbs in 6
  • Model in Ruby is 5'7" 140 lbs also in 6
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The Siren Bib Features
80/20 Backcountry/Resort
You spend much of your time on a skintrack in search of good snow, and this gear is designed to handle windy summits, spring tours, and long days in the mountains. Fabric choices are made to offer lightweight breathability and air permeability for high-output activities, like bootpacking a couloir. But if there's powder at the ski resort, you'll be there, and this gear can handle all-day liftline laps, too.
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The Siren Bib Features
Bluesign® Certified
We work with the best partners in the textile industry to ensure our products and materials meet the highest safety and environmental standards. From bluesign®-approved supply chains to products tested and approved by Oeko-Tex for consumer safety to Durable Water Repellents made without PFCs,we are certifying our supply chain and retaining all supply chain certificates for full transparency and to ensure that we use materials that align with our goal of making the least impact possible on the environment.
100% Recycled
Without compromising performance, this product is now made from fabrics spun from repurposed plastics, saving waste from the landfill while keeping you warm and dry. 100% of the polyester in this product is recycled fabric.
EMPEL
A super-hydrophobic exterior surface treatment that offers enhanced waterproofing and breathability and is certified PFA/PFC free.
PHD
For high-output activities that demand stretch and mobility, this three-layer fabric is made from 100 percent recycled nylon.
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Watch and Learn ▷
Goes Great With: Sondra Fleece/Domino Jacket/Fireside Beanie
Sondra Fleece
in Black
Domino Jacket
in Rye
Fireside Beanie
in Vintage Blue
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Siren Bib

Siren Bib

in
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Sondra Fleece

Sondra Fleece

in Marble
Snippet "pro-pricing.liquid" missing required Variant
Domino Jacket

Domino Jacket

in Rye/Butterscotch
Snippet "pro-pricing.liquid" missing required Variant
Fireside Beanie

Fireside Beanie

in Vintage Blue

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