Crater IV HS Gore-Tex Jacket - Glacier

Sale price€440.00
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Sustainable 3-layer hardshell jacket with Bluesign Approval and Gore-Tex waterproofing technology.

Unveil the pinnacle of outdoor exploration with the Crater IV HS Gore-Tex Jacket by Mammut. Tailored for the eco-conscious adventurer, this 3-layer hardshell marvels with its sustainable prowess and year-round versatility. Constructed with a PFC-free GORE-TEX ePE membrane, it champions an eco-friendly footprint without compromising on functionality. Revel in its lightweight, breathable fabric, ensuring comfort and protection in any climate. With meticulously designed features like underarm ventilation and a stormproof, adjustable hood, every detail is fine-tuned for the ultimate outdoor experience.


  • 3-layer GORE-TEX fabric with a PFC-free ePE membrane for top-tier weather protection
  • Crafted from 100% recycled polyester, promoting environmental sustainability
  • Innovative solution-dyed backer, reducing water consumption during production
  • Stormproof, adjustable helmet-compatible hood with a reinforced shield
  • Water-resistant Aquaguard 2-way front zipper and underarm ventilation zippers
  • MAMMUT High Reach Technology™ for unrestricted movement
  • Two climbing harness-compatible front pockets and a zippered inner pocket
  • Pre-shaped sleeves and adjustable hem width for a tailored fit
  • Superior breathability (RET<13 m² Pa/W) and water column resistance (28000 mm)

  • Weight: 482g

  • Fabric Denier: 75Dx75D

  • Backing: 100% Recycled & Solution Dyed Polyester

  • Main Fabric: 100% Recycled Polyester

  • Membrane: 100% Polyethylene

  • Certifications: bluesign® PRODUCT, Recycled, Fair Wear, Solution dye, PFC-free DWR

  • Regular Fit - Neither snug nor loose - this garment can be worn solo or over other layers.
1. Cleaning
Regular cleaning is essential to maintain the performance of your Gore-Tex jacket. Follow these steps:
Brush Off Dirt: Before washing, brush off any dirt or debris from the jacket's surface.
Machine Wash: Use a front-loading washing machine on a gentle cycle with cold water. Avoid using top-loading machines with agitators, as they can damage the jacket.
Mild Detergent: Use a mild liquid detergent that's specifically designed for technical outdoor clothing. Avoid using fabric softeners, bleach, or harsh chemicals.
Rinse Thoroughly: Ensure the jacket is thoroughly rinsed after washing to remove all detergent residue.
Drying: Hang the jacket to air dry, preferably outdoors. Avoid using a dryer, as high heat can damage the Gore-Tex membrane.
**2. Waterproofing**
Maintaining the waterproofing of your Gore-Tex jacket is crucial for optimal performance. Here's how:
Use Nikwax or Grangers Products: Nikwax and Grangers offer specialized waterproofing treatments that are compatible with Gore-Tex fabric. Follow the instructions on the product label for best results.
Apply Treatment: Wash the jacket according to the care instructions, then apply the waterproofing treatment while the jacket is still damp. This ensures maximum penetration of the product into the fabric.
Heat Activation (Optional): Some waterproofing treatments require heat activation to bond with the fabric. Follow the manufacturer's guidelines for heat activation, usually done through tumble drying or ironing.
Regular Reapplication: Depending on usage, reapply the waterproofing treatment periodically to maintain optimal water repellency. This is especially important if you notice water no longer beads on the jacket's surface.


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Since 1862, Mammut has strived to create products that redefine functionality and performance in the mountains. While each piece of their collection is designed in meticulous detail for specific outdoor pursuits, the entire product line is created on the foundation that form follows function. That’s why Mammut has become synonymous the world over with a high-quality kit that performs as well on a casual weekend hike, as it does on a technical first-ascent.

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