Eureka has some nice sleeping bags that are well made and designed. Howl recommends a 20 degree bag for any camping other than summer and serious winter. Women's specific bags fit better and are more efficient and comfortable than unisex, so they are definitely worth considering.
Here is what Eureka says about this one:
Extremely lightweight and packable, the Kiewa is the perfect three-season sleeping bag for backpacking adventures. Optimized for women's fit and performance requirements, this comfortable, tapered woman’s rectangular sleeping bag with a 20-degree F temperature rating packs down to a super-small size to easily travel with you anywhere.
Weight saving, tapered shape
Locking 2-way #5 zipper offers more ventilation options
Full length, insulated zipper draft tube with anti-snag guard defends against cold air intrusion
Low profile 3D footbox
Compression stuff sack
Eureka! Synthesis technical insulation is Eureka’s lightest, most-compressible, and resilient insulation. The proprietary blend of synthetic fibers is engineered to optimize thermal performance in an ultra-soft, easy to pack, and durable sleeping bag fit for any adventure