Sea to Summit Alpine Down Winter Sleeping Bag -40

by Sea to Summit

1870 g Total Weight

-30 °C Comfort Temperature

850 Fill Power

Sea to Summit Brand

In category: Heavier than 7% of items· ranked 351 of 378

Specifications

Comfort Temperature

-30 °C

Limit Temperature

-40 °C

Temperature Rating Standard

Manufacturer rated

Season Rating

5-season (expedition)

Total Weight

1870 g (4.12 lb)

Fill Weight

1250 g (2.76 lb)

Packed Volume

14.7 l (3.88 gal)

Insulation Type

Goose down

Fill Power

850

Hydrophobic Down

✓

Shape

Mummy

Zipper Length

Full length

Two-Way Zipper

✓

Shell Fabric

20D recycled nylon

Water Resistance

DWR treated

Draft Collar

✓

Draft Tube

✓

Hood Type

3D anatomical

Stuff Sack Included

✓

Size Category

Regular

Maximum User Height

182 cm (6.0 ft)

Gender-Specific Fit

Unisex

RDS Certified Down

✓

Recycled Materials

✓

PFC/PFAS Free

✓

Warmth-to-Weight Ratio f(x)

21.4 °C/kg

Fill Efficiency f(x)

3.2 °C/100g

Weight per Degree f(x)

46.8 g/°C

Bag Type

Mummy sleeping bag

Where to buy

No offers available for this product yet.

Category context Sleeping Bags (378 products)

Weight

Expedition weight· mainstream zone 768–1380 g· ranked 351 of 378

1870 g

160 g 3090 g

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Sea to Summit Alpine Down Winter Sleeping Bag -40