Marmot Power Stretch Half Zip Top: The only stipulation when it comes to buying the Power Stretch Half Zip is that when people ask you what top you’re wearing you have to reply, “it’s the Marmot POWER STRETCH!” and say it with a super-hero type voice with extra emphasis on the power portion. Ok so no one’s going to make you do that, but once you realize how many sweet extras the Power Stretch Half Zip really has, I’m pretty sure you’ll want to. With a cuff nose wipe and a wind flap behind the front zipper, Mother Nature (and your nose) don’t stand a chance against the Power Stretch…