Allbirds Men’s Tree Runners Sneakers - Size 11 - White My husband wore these exactly twice and decided they weren’t for him. They are washable. Excellent condition, worn twice and washable. Men’s size 11 Our breathable, silky-smooth sneaker made with responsibly sourced eucalyptus tree fiber treads lightly in everything you do. Best For: Walking, warmer weather, everyday wear Thermoregulating Material: Lightweight, breathable eucalyptus fiber provides next-level comfort Versatile Design: Wear-with-everything classic style, great for travel