Here's what other sites are saying:
Warm enough for backpacking spring through fall, the women's REI Co-op Zephyr 20 sleeping bag is our top synthetic design-light, compressible and cozy, with construction that maximizes comfort.
While the women's version hasn't been reviewed yet, there is 1 review for other versions of the Zephyr 20. Read all reviews »
Where to Buy
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REI Zephyr 30
Mountain Hardwear Lamina 20
The North Face Cat's Meow
$149 - $189
Marmot Trestles 15
$70 - $119
Mountain Hardwear Laminina Z Flame
$99 - $198
Kelty Cosmic 20 (synthetic)