Canadian Combat Wind PantsThese are the outer layer of the Canadian Extreme Cold Weather System. These stop the effect of wind penetrating your clothing (convection) robbing precious body heat. Made of a nylon cotton blend taking little space in your Pack. Great for snowshoeing and back country skiing as they shed snow and can be worn with just your base layer. Perfect for the Urban Jungle too! These pants have a drawstrings in the waist that allows for you to adjust the fit