When the frost bites or you spend time in the cold, the popular Atmosphere down pants will save the day. There are two typical uses for the Atmosphere pants: moving in freezing weather and for breaks and camp use during winter excursions. When the day's journey is over, the body no longer produces as much heat, and the need for insulation increases significantlyat camp, pull out the Atmosphere pants and put them on over your underwear, leggings, or even hiking pants, depending on your outfit choice. The Atmosphere is a midweight alternative: clearly warmer than superlight ones, but lighter and more supple than massive polar expedition pants. - Regular fit but with just a bit extra space at the adjustable waist - Main filling: traceable duck down, fill power 700 - Areas prone to compression are filled with firmer Texatherm Core synthetic fiber - Windproof and breathable outer fabric (mini-ripstop) - One back pocket - Elastic waistband is slightly higher at the back - The pants pac