New in Box Allbirds Men’s Superlight Wool Runners Casual Sneakers | Size: 11 | Color: Natural Black (Blizzard Sole) ULTRA LIGHTWEIGHT BREATHABLE SNEAKER: Classic men's wool sneaker made with our ultra-lightweight SuperLight Foam cushioned midsole and soft, breathable natural wool upper is the go-anywhere style shoe for when you want to be as light on your feet as possible. This highly packable shoe makes it an ideal travel companion - its comfortable barely-there feel is just as great for walking/exploring new cities as it is clocking miles in locally. Machine washable to keep your shoes looking like new.SIZING TIP: The Superlight Wool Runners fit true to size for most customers however If you are in between sizes or have wide feet, we recommend you size up. The Superlight Wool Runners are available in whole sizes only.SOFT WOOL UPPER: The ultralight upper is made of super fine and cozy, natural regenerative ZQ Merino wool. This natural fiber is versatile; it is warm and luxurious for autumn and winter wear and lightweight/moisture regulating for spring and summer wear, while its softness provides the ideal itch-free comfort and enhanced breathability for daily wear.SUPERLIGHT FOAM MIDSOLE: To create our new SuperLight Foam midsole, we took our SweetFoam midsole sugarcane base and infused it with nitrogen to create our lightest midsole ever - it’s featherlight, high-performing, and even better for the planet.Open to offers!