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 Crafted with silky-smooth eucalyptus tree fiber and a fitted collar, our machine washable ballet flat never misses a beat. Renewable Materials Machine Washable Minimizes Odor Flexibility Conforms To Your Movements Remove the insoles. Place shoes in a delicates bag (pro tip: a pillowcase works too). Choose a gentle cycle with cold water & mild detergent. Shake out any excess water & set aside to air dry. Shoes will regain their original shape with one or two wears.