Designed to keep you comfortable during demanding activities in the spring & summer, the Mens Tech Tee 2 LS Zip from Berghaus has incredible thermal regulation. The Argentium® fabric responds to your body to maintain a perfect temperature balance, & wicks away sweat in order to keep you dry. UPF 30+ protection also keeps you safe from UV rays, making this top perfect for adventures in the sun. Features Quarter length front zip Argentium® fabric for moisture wicking & heat regulation UPF 30+ protection Bluesign® approved Glossary Argentium® is a Berghaus exclusive Baselayer technology with UV blocking properties (thanks to its knit structure & use of UV absorbers) & odour-resistance properties (from the use of silver ion technologies). Works in harmony with your body to maintain a perfect temperature balance. Bluesign® approved fabrics meet a textile industry standard for a reduced environmental impact throughout the whole manufacturing process.