Mammut Protect Down Sleeping Bag -18C

Regular price $684.00 Save £-449.00

Size Guide

Mammut Logo

NEW! - Comes with Eye Mask 

Extreme activities, extreme innovation: Protect Down Bag -18C.

The sleeping bag for maximum comfort in extreme situations. The head and foot areas feature a waterproof membrane. More capacity inside for greater comfort. Central zipper for climate regulation. Special material to minimize noises. Down ensures a light weight and small packing volume. Protect Down Bag -18C, to sleep as comfortably as in your own bed despite extreme cold.

Delivery 5-7 days. For Shipping costs outside the UK, please email us at 

Material & Technology

• Membrane (B2B): 100% Polyurethane

• Main Fabric 2 - Face Material (B2B): 100% Polyester • Main Fabric 2 (B2B): Polyester Warp Knit

• Main Fabric 1 - Face Material (B2B): 100% Polyamide • Lining 1 - Face Material (B2B): 100% Polyester

Size L

Diameter (compressed): [cm]29

Height (compressed:) [cm]30.5

Total weight without stuff bag: [g]1700

Zipper length: [cm]137

Zipper side: Middle

Fill weight;  [g]950

Cut; Basic


90% Grey duck down|10% Grey duck feather

Lining: 100% Polyester

Lining 2: 55% Polyamide|45% Polyester

Main Fabric: 100% Polyamide

Membrane: 00% Polyurethane


  • Restorative sleep thanks to a newly developed sleeping bag shape

• Intuitive climate regulation with a central 2-way zipper

• Comfortable, soft material in the hood reduces noise and increases comfort

• Including deep sleep mask and earplugs to reduce light and noises

• Easy-to-use magnetic closure on the insulation collar

• Improved YKK zipper prevents jamming of material

• Internal pocket to store valuables

• Supplied with a packing bag

• Supplied with a storage bag

• Drawstring for easy adjustment of the hood and insulation collar

• 700 cuin fill power with ethically procured and certified RDS down

• Revised anatomical foot box for greater comfort without extra weight

• Zipper garage reduces cold areas at the end of the zipper

• Insulated covering along the zipper to protect from cold bridges and enhance climate comfort

Insulation chamber around the hood opening to protect from cold and wind • PFC-free DWR treatment

• Lining made from 100% recycled polyester

• Cut: Basic

• Comport temperature in °C (EN 13537:2012): -10 °C

• Warm collar: Yes

• Comport temperature limit in °C (EN 13537:2012): -18 °C

• Comport temperature in °F (EN 13537:2012): 14 °F

• Extreme temperature in °C (EN 13537:2012): -40 °C

• Comport temperature limit in °F (EN 13537:2012): -1 °F

• Wind baffle zipper: true

• Extreme temperature in °F (EN 13537:2012): -40 °F

Mammut Protect Down Sleeping bag
Mammut Protect Down Sleeping bag
Mammut Protect Down Sleeping bag
Mammut Protect Down Sleeping bag
Mammut Protect Down Sleeping bag
Mammut Protect Down Sleeping bag

You may also like