Tree Runners from Allbirds offer a lightweight and breathable design crafted from responsibly sourced eucalyptus tree fiber. These everyday sneakers feature a flexible, cushioned sole for all-day comfort and a signature minimalist aesthetic. The vibrant chartreuse yellow knit upper is complemented by matching laces and a white midsole, making them a standout choice for casual wear or light activity. A light, breathable upper hugs your foot, while a Merino wool-blend lining provides all-day comfort—socks optional. Designed with sustainability in mind, they are machine washable and carbon neutral.