The Mission Bandana is made from our 37.5 performance shirting fabric and outperforms when facing temperature and activity extremes. It provides cover and also helps to keep you cool when your core temperature rises. In contrast to traditional technologies that wick sweat away from the skin, 37.5 pushes moisture vapor out into the atmosphere before you start to sweat.A highly breathable, super durable bandana made from our 37.5 performance shirting fabric that performs better when facing temperature and activity extremes.