The Descente Charles Zip Mid Layer Top is the meat to your sandwich This slim cut mid layer wraps you in a soft breathable Supplex Fabric This top holds onto extra body heat and wicks moisture to keep you dry The -+ zip styling makes it easy to unzip and throw in the locker on warm afternoons Supplex Fabric is highly breathable and quick drying 1/4 zip cut for easy on/off Slim Fit