Men's thermal underwear made of merino wool is a great functional piece for wearing all year round in all conditions. Merino is a natural thermo material made of sheep wool. It is also suitable for allergy sufferers and has a lot of great properties. Maintains body temperature It is perfectly breathable Excellently wicks moisture away from the body Natural antibacterial property eliminates odor Men's thermal underwear made of merino wool is a great functional piece for wearing all year round in all conditions. Merino is a natural thermo material made of sheep wool. It is also suitable for allergy sufferers and has a lot of great properties. Maintains body temperature Perfectly breathable Perfectly wicks moisture away from the body Natural antibacterial property eliminates odor