INFERNO -40F/-40C

ASPHALT GREY / CENTENNIAL RED

Buy From An Online Dealer

The color/size of the product you selected is currently unavailable. Either select a different color/size, or purchase through one of our authorized online dealers below.

Get It In a TNF Store

notify me when available

Please enter your email so we can alert you when the INFERNO -40F/-40C in is back in stock. We promise not to spam you. You will only be notified once.

Lifetime Guarantee

Our products are fully warranted against defects in materials and workmanship with a lifetime guarantee. Exclusions apply*. See Details

Free Returns

Returns are easy! Everyone gets free online and in-store returns.

PRODUCT SNAPSHOT

Designed for Climbing

Goose-down

Insulated

Details

A dependable workhorse for expeditions in the world's harshest environments with temperatures down to -40 degrees, this lofty Summit Series® bag is insulated with water-repellent 800-fill ProDown and constructed with a wider, roomier cut and a center zip to make it easier to get in and out. Part of the Summit Series™ collection- the world’s finest alpine equipment.

Features

Summit Series™ represents the world’s finest alpine equipment and apparel
Our warmest expedition bag, designed for the coldest places on earth
800 fill ProDown™
Generous cut allows you to wear more layers or to "maytag" in the bag
Full draft collar and integrated draft overlap for comfort and to prevent heat loss
Water-resistant Neovent Air fabric on hood, footbox and back protects moisture-prone areas

Trapezoidal side baffle to prevent down migration
Center zipper for easier access
Internal pocket for insulated storage
Compression sack and storage sack included
Hood cinch-cord seals out the cold

Product Specifications

Style:: CHE8

Use:: Expedition

Temperature Rating:: -40°F/ -40°C

Insulation:: 800 ProDown

Fill Weight:: Reg: 2 lbs 12 oz (1249 g) Long: 2 lbs 15 oz (1356 g)

Total Weight:: Reg: 3 lbs 14 oz (1758 g) Long: 4 lbs 4 oz (1928 g)

Stuffed Volume:: 12" x 22" (30.5 cm x 56 cm)

Fits Up To (IN.):: Reg: 6' (183 cm) Long: 6'7" (201 cm)

Shoulder Circ:: Reg: 64" (163 cm) Long: 66" (168 cm)

compare similar products

INFERNO -40F/-40C

$729.00

Goose-down
Insulated

Summit Series™ represents the world’s finest alpine equipment and apparel
Our warmest expedition bag, designed for the coldest places on earth
800 fill ProDown™
Generous cut allows you to wear more layers or to "maytag" in the bag
Full draft collar and integrated draft overlap for comfort and to prevent heat loss
Water-resistant Neovent Air fabric on hood, footbox and back protects moisture-prone areas
Trapezoidal side baffle to prevent down migration
Center zipper for easier access
Internal pocket for insulated storage
Compression sack and storage sack included
Hood cinch-cord seals out the cold

Use|Expedition
Temperature Rating|-40°F/ -40°C
En Lower Limit|
En Comfort|
Insulation|800 ProDown
Fill Weight|Reg: 2 lbs 12 oz (1249 g) Long: 2 lbs 15 oz (1356 g)
Total Weight|Reg: 3 lbs 14 oz (1758 g) Long: 4 lbs 4 oz (1928 g)
Compressed Volume|
Stuffed Volume|12" x 22" (30.5 cm x 56 cm)
Fits Up To (IN.)|Reg: 6' (183 cm) Long: 6'7" (201 cm)
Shoulder Circ|Reg: 64" (163 cm) Long: 66" (168 cm)
Hip Circ|Reg: 60" (152 cm) Long: 62" (157 cm)

Use

Expedition

Insulation

800 ProDown

Temperature Rating

-40°F/ -40°C

Total Weight

Reg: 3 lbs 14 oz (1758 g) Long: 4 lbs 4 oz (1928 g)

Stuffed Volume

12" x 22" (30.5 cm x 56 cm)

Add to Cart

INFERNO -20F/-29C

$599.00

A dependable workhorse for expeditions in sub-zero conditions, this lofty Summit Series® bag is insulated with water-repellent 800-fill ProDown and constructed with a wider, roomier cut and a center zip to make it easier to get in and out. Part of the Summit Series™ collection- the world’s finest alpine equipment.

Goose-down
Insulated

Summit Series™ represents the world’s finest alpine equipment and apparel
A robust 800 fill ProDown™ expedition bag for extreme subzero environments
800 fill ProDown™
Generous cut allows you to wear more layers or to "maytag" in the bag
Full draft collar and integrated draft overlap for comfort and to prevent heat loss
Water-resistant Neovent Air fabric on hood, footbox and back protects moisture-prone areas
Trapezoidal side baffle to prevent down migration
Center zipper for easier access
Internal pocket for insulated storage
Compression sack and storage sack included
Hood cinch-cord seals out the cold

Use|Expedition
Temperature Rating|-20°F/ -29°C
En Lower Limit|
En Comfort|
Insulation|800 ProDown
Fill Weight|Reg: 2 lbs 4.7 oz (1034 g) Long: 2 lbs 7.5 oz (112 g)
Total Weight|Reg: 3 lbs 5 oz (1503 g) Long: 3 lbs 9 oz (1616 g)
Compressed Volume|
Stuffed Volume|11" x 20" (28 cm x 50.8 cm)
Fits Up To (IN.)|Reg: 6' (183 cm) Long: 6'7" (201 cm)
Shoulder Circ|Reg: 64" (163 cm) Long: 66" (168 cm)
Hip Circ|Reg: 60" (152 cm) Long: 62" (157 cm)

Use

Expedition