Whether you're loading up the pack for a six-week trek, or looking for a perfect go-to top for every day, there's one essential thing you'll need: a great short sleeve shirt. The Tech Lite is your number one must-have: It's one of our most lightweight womens tops, so it's perfect for packing. Even better? It's the perfect airy top for a blistering hot day—and thanks to merino's natural temperature regulation, keeps you cool, too. We could keep talking about the Tech Lite—its anti-stink properties, its breathability—but we know it's time to start packing. Thankfully, you've found your perfect womens top for life.