Rip apart the cold in the rabbit Men's Let 'Er Zip Hoodie. This jacket uses the patented STORMFLEECE technology. It uses a single-layer woven technology that unites an outer softshell and inner fleece into one, achieving the right balance between breathability, wind resistance, and water resistance. rabbitKNIT is inserted into the side panels for breathability and airflow. The hem is bound to help keep cold air out.