Shoes > Men > Sneakersbr>Allbirds - Tree Lounger slip-ons Men Allbirdsbr>ul>li>Allbirds at Simons/li>li>Best for: walking, warmer weather, everyday wear/li>li>Keep things light and breezy with these slip-on sneakers made with lightweight, breathable eucalyptus tree fiber that gives you maximum comfort in a minimalist design. Li>li>FSC-certified TM Lyocell (eucalyptus tree fibre) upper/li>li>ZQ merino wool lining/li>li>Castor bean oil-based insole foam/li>li>SweetFoamsup>®/sup> midsole and outsole made with sugarcane-based green EVA/li>li>. Color: black