Amazon
This under layer for warm weather uses thermoregulation to counteract the risk of overheating When worn directly on the skin, it produces its climate-control effect The integrated 3D BionicSphere System cools one when one perspire and warms one when cold Model number: IN-YT01S19M
This under layer for warm weather uses thermoregulation to counteract the risk of overheating When worn directly on the skin, it produces its climate-control effect The integrated 3D BionicSphere System cools one when one perspire and warms one when cold Model number: IN-YT01S19M