heat protection; protection against heat
Refers to measures or items that protect against heat, such as heatstroke prevention or thermal insulation. Often used in compound nouns like 防暑対策 (heat protection measures) or 防暑用品 (heat protection goods).
Heat protection measures are essential at worksites in summer.
I wear a hat for protection against the heat.
Compound of 防 (ぼう, 'prevent, protect') and 暑 (しょ, 'heat'). The reading is on'yomi, following standard Sino-Japanese word formation.