Jet Black Allbirds Women's Tree Breezers 7 great condition insoles have marker mark as shown on pictures Crafted with silky-smooth eucalyptus tree fiber and a fitted collar, our machine washable ballet flat never misses a beat. Made in Vietnam Our Tree Breezer has a carbon footprint of 2.7 kg CO2e. Some models may include a wool-lined insole instead of the TENCEL™-lined insole featured in the image. Learn more about carbon footprint labeling and our commitments to reduce our impact.