Sea To Summit Women’s Flame Ultralight Sleeping Bag 35F – Regular

The Flame Ultralight Women’s Sleeping Bag Series spans everything from an ultralight down-filled liner to a mid-winter fast-and-light sleeping bag. Each model uses premium materials and no-frills design to provide cutting-edge performance for the designed end-use.

The women’s specific fit is narrower at the shoulder and wider at the hip, and features extra down compared to the unisex Spark models.

Is this women’s down sleeping bag suitable for cooler temperatures? Yes. You would want the Flame 15°F or possibly the 25°F – either bag will work in late Fall, the 15°F will take you down to early winter temperatures when paired with an adequately insulating sleeping mat.

Really suitable as a sleeping bag liner? Yes. You could use the Flame 55°F, or even the Flame 48°F or 35°F to boost the performance of a bag for cold-weather use. Adding one of these to a 20°F / -5°C sleeping bag might make more sense than buying a “0°F / -20°C” sleeping bag for occasional winter use.

Able to be zipped to another sleeping bag? No. Even though the 25°F and 15°F have full-length side zippers, they are not designed to be coupled to a sleeping bag with a left zipper.

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Features

• Best Use: Ultralight Backpacking, Bike packing, Bike Touring, Liner Bag
• 2 Season: 35°F (comfort range 35°F to 67°F)
• ULTRA-DRY Down 850+ Loft 90% Down Cluster Premium Duck Down certified Responsible Down Standard (RDS)
• 10D shell and 7D liner materials help to achieve the incredible lightweight and compact packed size
• Includes lightweight Ultra-Sil compression bag and storage cell
• Zipper-length trimmed for gram-saving performance: 1/3-length zippers
• Baffle construction: Has baffles in the torso and sewn through in the leg area.

Designed to keep women warm with:

• Down chambers filled using body-mapping to maximize warmth for a woman’s physiology
• A wider shape between hips and knees to allow you to sleep in a natural position without compressing the down insulation and creating cold spots.
• Shorter overall length and narrower girth in shoulders to reduce dead space and increase thermal efficiency

Specs:

• Comes With: Ultra-Sil compression bag and storage cell
• Insulation: Ultra-Dry Down 850+ Loft
• Shell Fabric: Ultralight 10D Nylon Shell
• Zip Options: Right-side #3 YKK zipper
• Bag Series: Fm2
• Fits up to: 5 ft 7 in / 170 cm (Reg), 5 ft 10 in / 179 cm (Long)
• Season Rating: 2 Season
• Women’s Temp (EN RATING): 35°F / 2°C