The Allbirds Men's Wool Runner in Natural Black, size 12, is a stylish and sustainable sneaker with a low top design, lace-up closure, and solid black color. Made with high-quality wool upper material, these athletic shoes offer a comfortable medium width (D, M) for all-day wear. The design theme of nature reflects in the overall style of the Allbirds Natural model, making it a versatile and fashionable choice for men on the go.