According to the query of Grey Machine Wiki, the cool summer clothes in famine games are exclusive clothes and equipment in summer. Wearing them can slow down the rising speed of the character's body temperature in summer and make it easier for the character to survive in a high temperature environment. The attribute of cool summer clothes is to slow down the temperature rise, reduce heat consumption and improve the comfort of the role. Flower shirts can improve the character's mood and comfort, and make it easier for the character to maintain a happy state.