Men's running t-shirt with short sleeves made of highly functional material, which uses Iso-Chill technology, which has the task of dissipating the heat and thus inducing a feeling of coldness. This is therefore a great model for warm weather.Iso-Chill fabric helps dissipate body heat, so it's cool to the touch4-Way Stretch material moves better in every directionmaterial wicks away sweat and dries very quicklyLaser perforation on the back panel for maximum breathabilityAnti-odor technology prevents the growth of odor-causing microbes