Trailblazer Gray Black Plaid Wool Blanket. Bundle up and stay warm even in the coldest temperatures when you snuggle up in this oversized Grey and Black Plaid Wool Blanket from Trailblazer. Wool is the only natural fiber which retains its insulating abilities even while wet, so you’ll be warm and cozy, even in a rainstorm. The 64”x 84” overall, 80 percent wool blanket is perfect for camping and outdoors trips, or just to have around in your automobile, boat or RV. It weighs approximately 4 lbs, adding lots of insulation, especially, when you’re camping.