Let the wild Rumpl begin. These blankets are made with the same stuff as premium sleeping bags so you know they're insanely warm. Also resistant to water, dirt, pet hair, and presumably Cheeto dust, so you can take these babies with you from couch to campfire. 20D ripstop nylon shell with DWR shield is durable and water resistant, which is paired with lightweight 3D hollow fiber insulation. Stitch lines are inspired by patterns found in nature.