Tree Runner sneakers Women Allbirdsbr>ul>li>Allbirds at SimonsBest for: walking, warmer weather, everyday wearTake on the world (or your neighbourhood) with Allbirds on your feet! The Tree Runner is a sleek and breathable shoe that feels great to wear at all times thanks to its responsibly sourced eucalyptus fibres, a thermoregulating material offering exceptional comfort!FSC*-certified TENCEL Lyocell (eucalyptus tree fibre) upperZQ** merino wool heel liningBio-based TPU eyeletsPolyester laces made from recycled plastic bottlesCastor bean oil-based foam footbedSweetFoamsup>®/sup> sole made with sugarcane-based EVAThis model's equivalent is available for men: 20911-24101/li>br>*Forest Stewardship Council (FSC) certification ensures that materials are sourced sustainably in line with responsible forest management standards.br>**ZQ certification by the New Zealand Merino Company guarantees high standards of animal welfare, environmental care and social sustainability.