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Description of Business	12 Months Ended
Description of Business	Dec. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Description of Business	Description of Business Allbirds, Inc. (“Allbirds” and, together with its wholly owned subsidiaries, the “Company,” “we,” or “our”) was incorporated in the state of Delaware on May 6, 2015. Headquartered in San Francisco, California, Allbirds is a global lifestyle brand that innovates with sustainable materials to make better footwear and apparel products in a better way, while treading lighter on our planet. The majority of our revenue is from sales directly to consumers via our digital and retail channels.