Poler Vortex Water Repulsize: Using the latest materials and coatings, Poler Vortex was developed by super techie technicians so that you can stay warm and dry while still looking cool. Many jackets are waterproof, but only Poler has Vortex technology. Thermastuff Insulation: A jacket can be stuffed full of many types of insulation, but none compate to Thermastuff. It's lightweight and as warm as a hug in a hot parking lot in the dead of summer. You can only find Thermastuff in Poler outerwear.