Omni-Heat Thermal ReflectivenZippered Hand Pocketsn100% FleecenWarmer than your average fleece and exceptionally breathable, the Dotswarm Full Zip Jacket combines a soft and cozy MTR fleece fabric with our patented thermal-reflective technology, which reflects body heat for warmth while maintaining a high level of breathability, resulting in the perfect toasty layering piece for dynamic activity in chilly temperatures.