Asymmetric lacing systems distribute tension evenly across the foot

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.

Kevlar stitching reinforces high stress areas against wear