[Features] ●Breathable and comfortable to wear, it does not get in the way of work. ●It is also resistant to hot weather and cold climates and can be worn after all seasons. ●By using rubber on the entire surface, it can be used as it is by hanging a resting hook around it. ●By using a reflective material on the rubber, it does not create blind spots for reflection. ●There is an opening for taking out the lanyard on the back, and it is compatible with full harness type safety belts from various manufacturers. ●By shortening the length of the garment, it can be used with accessories around the waist, and can be worn over air-conditioning clothing without interfering with air intake.