The Allbirds Kirkjufell Green Wool Piper Lace Up Sneakers in size 12 for men are a new pair of athletic shoes that offer comfort and style. Made with green wool, these lace-up sneakers are perfect for casual occasions and feature a design that is both trendy and practical. With the brand’s reputation for quality and sustainability, these sneakers are sure to be a popular choice for those looking for a reliable and fashionable footwear option.