Tear drop flex grooves enhance propulsion during forward lunges

The Allbirds Wool Runner is the orginal wool sneaker that started it all. Called the world's most comfortable shoe, it's flexible, supportive, astonishingly soft, and machine washable. The Wool Runner is breathable, lightweight, and can be worn sockless. Best used for walking, cooler weather, and everyday casual wear.

Multi density midsoles distribute impact forces evenly across the footbed