Designed for cold-weather training, the Mizuno Premium Merino men's underwear long tights keep muscles warm thanks to their soft, thermal fabric. Lightweight and extremely stretchy, they ensure maximum freedom of movement without restriction.
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.