By The Editors Each week, our inbox runneth over with news of gear, apparel and tech releases from around the world. In this feature, we’ll parse through the best of it. Today: Simply Lemonade gets a little naughty, big mattress makes a big play, and our favorite watch of the year (so far). Simply Spiked LemonadeRTDs, hard seltzers, canned cocktails … we’re still learning all the nomenclature, but we can tell you that Coca-Cola and Molson Coors are teaming up this summer to introduce a spiked lemonade called, ahem, Simply Spiked Lemonade (the companies had already collaborated on the line of b…