It’s the most disruptive footwear brand to appear in recent years. Since Allbirds launched in 2016, they’ve been adopted as the uniform of a globally cool, conscious and creative crowd. From Hollywood royalty like Leonardo diCaprio and Jennifer Garner through to Barack Obama - Allbirds' message of sustainable production and simple design, as well as their USP of ridiculous comfort was a breath of fresh air. When you know, you know.