One of the cardinal rules of dressing for cycling is that your tights or leg warmers go inside your booties nano flex changes that when its raining put the tights or warmers over the booties to shed rain to the outside of the bootie and help keep your feet dry features nano flex fabric provides outstanding warmth and stretch with water resistance minimal seams for maximum water resistance kiss air seat pad for all day comfort mesh bib straps for breathability reflective screen printed ca