Mountain Hardwear Mens Compressor Pants:

Take these insulated pants with you on any alpine or mountain trek to keep warm in very cold temperatures. 

Constructed with a superlight fabric that's compressible, the Compressor Pants will keep you warm without restricting your range of movement. 

They have full length zips for ventilation and easy changing while the reinforced seat and knees are durable enough for scrapes, scratches on the way.

The Compressor Pant is ideal for mountain exploits keeping you warm throughout the winter.