Allbirds Tree Runner in Hazy Beige Men's Size 12 NEW IN BOX! Great neutral color! Light and Breezy Fan-Favorite Sneaker, Designed for Everyday Wear. FSC-certified TENCEL™ Lyocell (eucalyptus tree fiber) upper SweetFoam® midsole made with sugarcane-based green EVA Bio-based TPU eyelets Shoe laces made from recycled plastic bottles Castor bean oil-based insole foam ZQ merino wool heel lining Some models may include a wool-lined insole instead of the TENCEL™-lined insole featured in the image