The shell fabric is a combination of our waxed-cotton Cover and Shelter Cloths to keep the down dry and maintain its insulating power

Lined with our signature warm Mackinaw Wool in the torso and the easy-layering polyester insulation in the sleeves

The sides are gusseted with metal wreath buttons for easy on/off

The padded shoulder straps are built with Tin Cloth and lined with Moleskin

Filson’s Thermal Crew is made with a Peruvian cotton blend in a waffle-knit pattern with deep channels to trap body heat

filson man granite mountain 5 pocket pants fmpan0059w0140 303 Size:34 The shell fabric is aOur Granite Mountain 5 Pocket Pants are made with straight legs and built in flex for comfort. At 7 oz, this fabric is ideal for warm weather use. The rear hems and pocket bottoms are reinforced with a double layer of fabric for added durability. Heavy duty front pocket bags for lasting service. Coin key pocket on right side. An extra beltloop in the back center prevents waistband sagging.