Written by: Jess Sanderson | May 24, 2019. Fast Fashion sure does have its advantages, but the best items in your wardrobe are no doubt investment pieces. But which designer brands have lifetime guarantees? These are the clothes, boots and accessories that will stand up to the test of time and last you years rather than months. The kind of boots you’ll never need to replace, the jacket that can put up with any weather, the backpack you can stuff…