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Sea to Summit Spark Women's UL Down Sleeping Bag
✅ In stock
F
Grade
Analysis Confidence
90%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 1, 2026 6:37 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price is slightly above the going rate for this product — worth watching for a drop.
- 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
- 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Sea to Summit North America
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Nylon
✓Imported
✓Women's 30-degree Fahrenheit (-1-degree Celsius) ultralight down sleeping bag for for 2-season backpacking, bike packing, and touring; broad mummy shape features hood and zipper draft tubes
✓850+ fill power down insulation (Responsible Down Standard certified) treated with Ultra-Dry Down to improve reaction to moisture, retaining loft and performance
✓Ultralight 10D nylon shell with PFC-free durable water repellent (DWR) finish keeps the hood and footbox highly water resistant; 10D nylon breathable liner fabric for minimal weight and bulk
✓Women's design features shorter length, narrower shoulder, and wider hip to increase thermal efficiency; down chambers are mapped to a woman's physiology to maximize warmth
✓30-degree bag features hybrid box baffles in the torso for improved warmth and sewn through construction in leg area for lighter weight; Sea to Summit Guarantee is offered for the lifetime of this product
⚙️ Specifications
Brand
Sea to Summit
Occupancy
1 Person
Shape
Mummy
Seasons
Summer
Temperature Rating
30 degrees Fahrenheit
Age Range (Description)
Adult
Sport
Backpacking
Material
Nylon
Fill Material
Down
Product Dimensions
77.2"L x 29.9"W
Sport Type
Backpacking
