allbirds | Shoes | Allbirds Mens Charcoal Gray Wool Runner 。Lightweight knit sneaker in charcoal gray. Cushioned white sole for comfort. Easy lace-up design. Versatile everyday style. A true original, our Wool Runner combines soft Merino wool with cloud- like comfort Our responsibly-sourced Merino wool provides a cozy fit that\'s soft and itch-free on the inside and durable on the outside, while a sugarcane-based SweetFoam® midsole offers cushy support for all-day wear. Read more about our materials. This shoe is washing machine approved. Just remove the insoles and laces and hand wash them separately to keep every step as fresh as the first.