UPGRADE ADVANCED COOLING COLD SENSE VEST uses newest generation of second-generation evaporative PVA material, Super absorbent and evaporative making your body coolerLIGHTWEIGHT BUT DURABLE AND REUSABLE Cooling PVA fabric keeps you cool as the water evaporates, reusable and durable! Believe me, this is the lightest evaporative cooling vest you've to tryNO REFRIGERATION REQUIRED, NO ELECTRIC OR ICE PACK Cooling the body only with the evaporation of water, not only economically realizing power saving and preventing heat stroke, but also doesn't hinder the body when your construction work, cycling, running! It is more useful than any other ice vest! Great value if bought this cooling vest for your family or friend as a giftCARDIGAN VEST DESIGN Advanced evaporative techniche cooling vest, cardigan in the front fit different body sizes, anyone under 250 pounds can use, unisex cooling vests for women man, perfect for MS peoples or who work in hot summer! Must have if you work or travel in hot weather!IDEAL FOR ALL OCCASIONS This evaporative cooling vest is great to relieve summer heat, heatstroke prevention, such as construction, high-temperature operation outside, outdoor, amusement park walking foll performers, truck drivers, courier, running, cycling, climbing, cooking, etc. Note: The cooling time depends on the temperature of the environment and the personal body temperature, we suggest you can soak the vest in the ice water if you can, this will make you coolerProduct descriptionCooling Ice Vest for Men Women: Cool Water Activated Evaporative Cold Vest - Cooled Vest for MS