Mammut MASAO - Jacket - Men's - sapphire

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287,00 €359,00 €
-20% Sales

* Price recommended by the supplier in 2019

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The Masao jacket by Mammut provides efficient weather protection for trips in the high mountains.


  • Membrane: Mammut® DryTechnology
  • Construction: 3 layers
  • Water resistance: 20,000 mm
  • Breathability: 15,000 g/m²/24h
  • Insulation / lining: Yes
  • Fit: Regular
  • Weight: 540 g


  • Main composition - Lining: 100% polyamide
  • Main composition - exterior: 100% polyamide
  • Main composition - membrane: 100% polyurethane
  • Bluesign® certified materials



  • DWR water-repellent coating, certified PFC-Free
  • Robust, water-repellent 2-way YKK Vislon® zip
  • Underarm vent with water-repellent 2-way zip
  • Gusset under the arms for optimal freedom of movement


  • Windproof hood
  • Adjustable height and width
  • Helmet compatible
  • Reinforced peak
  • For a clear field of vision, easy to use with gloves


  • Pocket with splashproof zip
  • 2 harness-compatible front pockets with waterproof zips
  • Zipped inside pocket

Waist & Sleeves:

  • Glove-compatible, adjustable cuffs with high quality velcro
  • Adjustable drawstring hem

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Mammut Dry Technology: Triple layer technology with water-repellent properties: the membranes absorb sweat like a sponge and wicks it to the exterior. Inversely, they provide ventilation to guarantee breathability. Mammut DryTechnology consists of 3 layers: an ultra-thin breathable, windproof and waterproof membrane, an adhesive membrane ensuring the fabric's durability and finally, a waterproof fabric for perfect performance. Products with this technology are waterproof to 10,000 mm and windproof.

DWR: This coating allows water to form beads and run off the shell fabric instead of being absorbed. The water-repellent outer fabric increases insulation and prevents it from being saturated by liquids, preventing any feeling of dampness.




Bluesign® Standard: Environmental program to eliminate substances that are potentially hazardous to human health or the environment from the textile supply chain. A Bluesign® approved fabric ensures that:

  • The fabric itself is free of harmful chemicals
  • Unsafe emissions in water, ground and air are reduced
  • The use of energy resources is controlled and reduced to a minimum
  • The working conditions are healthy and safe

PFC Free: PFCs belong to a group of chemical compounds that are used in a number of outdoor products for waterproofing the outer material. Their use has received a lot of criticism, as they are considered non-biodegradable. They build up in the body and are suspected to be harmful to health.

PFC-free products are environmentally friendly.

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