ilm motorcycle jackets, carbon fiber armor shoulder, moto jacket for men and women (xxl, black) ilm <b>ilm jk41 jacket</b><br><br> the ilm jk41 is more functionality for true year-round riding. external armor pockets make it easier to ditch those phones when you're not riding. a reinvented ventilation scheme improves air flow on warm days and an included removable full-sleeve thermal liner is there to retain your body heat when riding in colder weather.