Shoes > Men > Sneakersbr>Allbirds - Tree Runners Men Allbirdsbr>ul>li>Allbirds at Simons/li>li>Best for: walking, warmer weather, everyday wear/li>li>This breathable, silky-smooth sneaker treads lightly in everything you do. It's made with responsibly-sourced eucalyptus tree fibers, a lightweight, breathable and thermoregulating material that provides next-level comfort, while its sleek, versatile design offers a wear-with-everything classic style. Li>li>FSC-certified TM Lyocell (eucalyptus tree fibre) upper/li>li>ZQ merino wool heel lining/li>li>Bio-based TPU eyelets/li>li>Polyester laces made from recycled plastic bottles/li>li>Castor bean oil-based foam footbed/li>li>SweetFoamsup>®/sup> sole made with sugarcane-based EVA/li>li>. Color: black