Allbirds women’s ballerina shoes Tree Breezers Black color in size 9. No box. Excellent condition. From a smoke-free household. Tree Breezer Highlights: Lightweight flats, breathable eucalyptus fiber provides next-level comfort Ribbed collar provides a perfectly secure fit Easily transitions from day to night Renewable Materials Machine Washable Minimizes Odor Flexibility Conforms To Your Movements Crafted with silky-smooth eucalyptus tree fiber and a fitted collar, our machine washable ballet flat never misses a beat. Made in Vietnam.