Amazon.com | Allbirds Men。These Allbirds Men\'s wool sneakers are in terrific pre-owned condition. Sz 8 Comfortable, breathable everyday sneakers offering maximum versatility, ideal for Walking and traveling. - Lightweiqht, breathable. Warm in the cold and cool in the heat. - Comfortable evervday walking sneaker offering a sporty-casual style with premium durability and a lightweight airy feel - SIZING TIP: If vou are in between sizes or have wide feet, size up. - HIGH-QUALITY WOOL: The upper is made of super fine and cozy, natural responsibly sourced Merino wool. This natural fiber is versatile: it is warm and luxurious for autumn and winter wear and lightweight/moisture requlating for spring and summer wear. its softness provides the ideal itch-free comfort and enhanced breathabilitv for dailv wear.