Go the distance in this lightweight running shoe with a breathable stretch-knit upper, SwiftFoam™ midsole and FSC-certified rubber sole. The high-performance midsole maximizes energy return, while an external heel counter and flared, geometric midsole helps keep your stride steady. Removable insole Lightweight: puts cushioning and performance underfoot with an emphasis on streamlined comfort Neutral: provides soft, even cushioning with an emphasis on comfort during any activity FSC Tencel® lyocell upper/synthetic lining/rubber sole Tencel lyocell is a sustainably produced fiber made with closed-loop processing Imported Forest Stewardship Council® (FSC) certified, ensuring forest management that preserves biological diversity and benefits the lives of local people and workers
Allbirds is a New Zealand-American company that designs and sells footwear. Allbirds' first shoe was the Wool Runner, which is made from New Zealand superfine merino wool. The company claims to keep the brand as eco-friendly as possible and is a certified B Corporation. Wikipedia