Protip: Carhartt's duck fabric is sort of water repellent but not ideal for heavy rain or snow. I carry a rain poncho in my inside pocket, because weather can be unpredictable. :
North Country Canvas - Brown
Cali Fabrics Tan Extra-Heavyweight 16” Tubular Rib Knit from 'Carhartt' Fabric by the Yard
Cotton Canvas Fabric | 12oz /59" Vintage Stone Washed