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Sierra Designs Isotope Jacket - Women's
There’s light and there’s ridiculously light—we consider the 4.8-ounce Sierra Designs Women’s Isotope Jacket to be in the latter category. This waterproof breathable shell packs up crazy small for trail runs, long rock routes, or alpine hikes when the forecast is questionable. The Adjustable hood and hem cinch down in rough storms, and the PVC-free seam tape seals out moisture without harming the environment.
Bottom Line: The ultimate just-in-case jacket.
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Research out-of-stock versions:
Tech Specs:
- Material:
- [Shell] 100% polyester ripstop
- Waterproof Rating:
- 10K
- Breathable Rating:
- 10000g
- Core Venting:
- No
- Pockets:
- 2 Front
- Seam Taped:
- Yes, fully
- Hood:
- Yes
- Weight:
- 4.8oz (136g)
- Recommended Use:
- Hiking, biking, climbing, trail running
- Manufacturer Warranty:
- Lifetime





