The Berghaus Super Long Sleeve Zip Kneck Tech T-Shirt is a high performance technical base layer that leaves feeling hot and bothered a thing of the past This is a tee like no other Keep the perfect balance when you re working at your limit as it works in harmony with your body to help keep your climate under control ARGENTIUM reg PRO technology reacts to the physiology of your body becoming extra cooling and breathable when you heat up and working to be more protective when you start to cool down With fantastic wicking properties combined with lasting odour resistance there s also super cooling mesh in the under-arm panels giving you cooling ventilation where you need it most While unzipping the centre front half zip boosts airflow even further Unrestricted movement is here to stay as the stretch fabric ensures fluid movement when reaching for high places And if you re carrying a rucksack you ll get a comfier ride thanks to bonded shoulder seams Perfect whether you re on a spur of the moment climb or planning a demanding expedition