Water Circulation Cooling Vest, Air Conditioner Waistcoat Personal Air Ice Cooling Clothes for Heat Relief, Body Cool Vest with Self Suction Pump for Railway Construction Workers, Courier(3XL/4XL)

Polyester Material: This cooling vest adopts premium polyester material, which ensures good light resistance and great comfort. Water Circulation: This ice vest features TPU water circulation cooling sheet which ensures even cooling and prevent local undercooling. Adjustable Tightness: The tightness of this body cooling vest can be easily adjusted, which is suitable for different body types. Self Suction Pump: This cool vest adopts self suction pump, you can run a 5 to 12V power supply without putting it in water. Widely Used: This cooling vest is suitable for exhibition, outdoor photography, fishing, golfing, courier, railway workers, construction workers, airport ground staff, motorcycle riding and other outdoor work and activities.