have not as yet had an opportunity to test just how waterproof it is." everything else is not even on my list of to-do’s! these are the people who also rely on energy drinks like coffee and sleeping pills when their body is too hyper from all the caffeine. that show makes these tips look tame. flavor is less intense more sweet and delicate. i have really big upper arms and bought a medium which fit perfect until the tops stretched out. and all the big questions we're facing this year as a country require that sort of decision-making. 