• Free shipping from £100

    Delivery is free of charge from a purchase value of £100 or more. A delivery charge of £6.95 will be applied to orders below this purchase value.

  • Recall for Skywalker Pro Via Ferrata

    We have identified a potential issue with the locking mechanism of the carabiners used in the Skywalker Pro Via Ferrata and the Skywalker Pro Turn Via Ferrata Sets, sold since 2023. As a result, we have decided to recall all potentially affected products and refund all impacted clients.

    Return your product for a refund

  • Updated Data Privacy Policy

    We’d like to let you know that we’ve updated our Privacy Policy, effective 3nd June 2025.
    Your data is valuable to us, and we are committed to protecting it and handling it with care. We encourage you to read the updated policy to stay informed about how we collect, use, and safeguard your information.

    View the updated Privacy Policy here

  1. Equipment
  2. Sleeping Bags

Protect Fiber Bag -18C

Sleeping bag

£380

Olive

  • Mammut Protect Fiber Bag -18C - olive, L - Olive - Thumbnail
  • Mammut Protect Fiber Bag -18C - titanium, L - Titanium - Thumbnail

Extreme temperatures. Extreme nights. Extremely good sleep with the Protect Fiber Bag -18C. Optimized fit for more restorative sleep. A central zipper provides temperature regulation for climate-controlled sleep. A special material to prevent noise for undisturbed sleep. Extremely good sleep, as if in your own bed, with the Protect Fiber Bag -18C, made from a waterproof material for extreme temperatures.

  • 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
  • PFC-free DWR treatment
  • Lining made from 100% recycled polyester
  • Easy-to-use magnetic closure on the insulation collar
  • Improved YKK zipper prevents jamming of material
  • 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
  • Internal pocket to store valuables
  • Supplied with a packing bag
  • Drawstring for easy adjustment of the hood and insulation collar
  • Revised anatomical foot box for greater comfort without extra weight
  • Zipper garage reduces cold areas at the end of the zipper
    • Hiking, Ski Touring, Mountaineering
    • 2410-02620
    • Zipper sideNeutral
    • Warm collarYes
    • Comfort temperature in °C (EN 13537:2012)-10 °C
    • Comfort temperature limit in °C (EN 13537:2012)-18 °C
    • Extreme temperature in °C (EN 13537:2012)-40 °C

  • Fill weightTotal weight without stuff bagDiameter (compressed)Height (compressed)Zipper length
    L1770 g2370 g31.00 cm34.00 cm137 cm
    S1560 g2110 g31.50 cm31.00 cm107 cm
    XL1840 g2460 g31.50 cm35.00 cm147 cm

  • Filling100% Polyester
  • Lining100% Polyester
  • Lining 255% Polyamide, 45% Polyester
  • Main Fabric100% Polyamide

  • Mammut Do not use chlorine-based bleach

    Do not use chlorine-based bleach

  • Mammut Do not dry clean or use solvents to remove stains

    Do not dry clean or use solvents to remove stains

  • Mammut Do not iron or treat with steam

    Do not iron or treat with steam

  • Do not use fabric softener

  • Mammut Tumble dry gentle

    Tumble dry gentle

  • Mammut Machine wash on wool/delicates cycle (max. 40° C)

    Machine wash on wool/delicates cycle (max. 40° C)

How was your experience on this page?