Cooling vest Features By evaporating under a mesh jacket, the i XS Bodycool Vest cools for up to 8 hours depending on temperature & humidity Antibacterial equipment Zipper with easy-grip zipper handle simplifies dressing Side inserts with a stretchy & air-permeable mesh for more freedom of movement Application This product works best in low to medium humidity environments The amount of airflow determines the cooling effect Operation Soak the vest in water for 1-2 minutes until it is saturated with water Squeeze out the excess water, do not wrinkle Care/ Cleaning Machine wash 40 degrees Celsius Hang dry only Do not iron Do not dry clean No industrial laundry & no bleach Attention Wearing a backpack may reduce the operation of the system Therefore, a backpack with ventilation system is recommended