As you know, activewear is a major trend that continues to dominate the fashion world. But if you think this fad is something new, think again. Fitness trends – and the fashions that go with it – have been around for much longer than you may realize. In an of-the-moment video that we’re loving, Blogilates founder Cassey Ho takes us through a century of activewear trends. Tell us, what’s your fit-style?