Prices are accurate at the time of publication.When you buy through our links, Insider may earn an affiliate commission. Learn more.For Black Friday 2021, Allbirds released the Wool Runner-up Mizzle Fluffs in three exclusive colors: Natural Black, Calm Coral, and Thrive Crimson.AllbirdsAs one of the fastest-growing sneaker and clothing startups, Allbirds will be on many people's shopping lists this holiday season — and there's no better time to shop than Black Friday, which falls on November 26 this year. Similar to previous years, Allbirds isn't hosting a traditional Black Friday sale but instead released three limited-edition Wool Runner-up Mizzle Fluff sneakers.