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Active insulation for alpine pursuits.
Moving through the high alpine at a quick pace requires insulation that's breathable, mobile, and won't lose its insulating properties when confronted with the damp, snowy conditions that are intrinsic to the high mountains. Mammut's Eigerjoch IN Hybrid Men's Jacket can confidently check the box on all three of these requirements. Wind- and water-repellent Pertex Quantum Air fabric protects from spindrift, near-constant alpine winds, and light snowfall. Stretch panels—in the form of Ponterto Tecnostretch—along the underarms and sides allows your arms to move freely when you're booting up a steep couloir or working up a mixed route.
- Active insulation ideal for alpine climbing and mountaineering
- Pertex Quantum fabric dispels wind and light snow
- Highly breathable Polartec Alpha fill prevents overheating
- Stretch panels along sides maintain mobility through arms
- Articulated fit intended for comfortable movement while climbing
- Mammut is a mountaineering brand based out of the Swiss Alps
- Q & A
- Fit: True to size
- Size Bought: Small
In term of softshell, I will consider a gear with multiple features, like wind/water resistance, light insulation, much better breathability etc. Years ago, I tried a "real" softshell, but to the end I am not really happy with it (this softshell delaminate eventually)
I am looking forward to a hybrid jacket with a truly trim fit as a second layer above the baselayer during backpacking tours for a time to offer me light insulation, wind protection, and maximum breathability, and I found Mammut Eigerjoch hybrid is the perfect one "softshell" in my mind.
When backpacking in summer, it is easy to damp into lots of sweat, Eigerjoch is essential gear to avoid chilling effect from wind and eventually give me a dry baselayer back; in winter or cold morning, it is a very good choice to layer upon the baselayer, versatile just like a softshell. Thanks to Polartec Alpha, which provide active insulation, it is very comfortable in a dynamic thermal balance, not too hot and you won't feel cold while walking into an area with strong wind even damped by sweat.
Hybridized a kind of four-way elastic fabrics, although the athletic fit is trim, restriction movement doesn't happen to me when full range of motion. This jacket is not only providing synthetic insulation but also fleece's breathability.
I like the fit, functionality, versatility and design behind the appearance.