To provide a physically speedily cooling underwear in which pockets are provided at portions of the underwear corresponding to the main arteries (underarm parts and thigh root parts) and anytime-replaceable refrigerants (or ice) are inserted into the pockets so that the underwear is easily used to dissipate heat.

In the cooling underwear with refrigerants (or ice), the pockets ⁽³⁾ are provided at the underarm parts ⁽¹⁾ and thigh root parts ⁽²⁾) and the refrigerants (or ice) are inserted into the pockets ⁽³⁾.