The Allbirds Tree Runners Shoes for men in gray are lightweight sneakers featuring a lace-up closure and standard shoe width. Made of Tree Fiber material, these casual shoes are designed for all seasons and come in a solid color pattern. With a size 9 US shoe size and EU shoe size of 41-42, these sneakers provide a comfortable and stylish option for everyday wear. Perfect for those looking for a sustainable and eco-friendly footwear choice.