2XU's commitment to zoning the body with the right fabrications in the right anatomical regions of the body is continued through into the web of this Micro-climate run jacket.<br /> Wind/rain resistant Vapor+ front panel, with mesh panels for breathability, stretch SMD thermo fabric incorporating denier graded tactel yarns for unparalleled moisture management and extreme mesh panels on back create a micro climate designed to meet the highest demands placed upon it.