Fleece-Paneled Denim Jacket - Dempster WashThe Type 1 Griz Jacket from Double RL is made from sturdy 12. 75oz Japanese cotton denim thats detailed with a canteen inspired wool blend lining and a soft fleece collar and front panels to wrap you in warmth. Complete with vintage style workwear details like an adjustable buckled waist tab at the back, American made buttons, rivets and washer burrs, and a polyester fill to trap in heat and keep you nice and cozy in even the harshest conditions.