Ideal for chilly outings, the Mizuno Premium Merino Crew men's underwear shirt retains heat thanks to its thermal fabric. Its stretch follows your every move, offering constant support.
Breath Thermo
This is a unique type of insulation fabric which generates heat from the absorption of moisture. Heat is generated via a chemical exchange between perspiration and the properties of the Breath Thermo Fabric. This is especially useful for protecting the human body from cold temperatures.