In 2018, an unprecedented summer heat wave in Japan killed more than a thousand people, mostly urban dwellers over the age of 50. Today, Lea, a widow, wants to know about summer heat and living alone in her city apartment. Humidity is a culprit that is almost always present during the summer months, and it’s important to realize that it plays a role in limiting the efficiency of the body’s cooling effect. However, there are new summer clothing lines entering the market that may be helpful. Through synthetic fibre properties, they help boost the body’s cooling mechanisms. Find a neighbor, and watch out for each other during this year’s summer!