Step into lightweight, breathable comfort with these Allbirds Tree Breezer ballet flats in Mist (a versatile heathered grey). Crafted with Allbirds' signature eco-friendly eucalyptus tree fiber knit upper (TENCEL™ Lyocell) and a soft Merino wool-lined cushioned insole, these flats conform to your foot for all-day wear with zero break-in period. • Brand: Allbirds • Model: Tree Breezer (Style Code: TB) • Size: Women's US 6.5 / EU 36.5 / UK 3.5 / 23.5 CM • Color: Mist (Heather Grey) • Upper Material: Breathable TENCEL™ Lyocell eucalyptus tree fiber knit • Insole: Cushioned bio-based foam with soft Merino wool lining • Outsole: Flexible, carbon-negative SweetFoam® sugarcane outsole • Features: • Ribbed elastic collar for a secure, stay-put fit • Flexible and lightweight slip-on style • Machine washable design • Condition: Good pre-owned condition with clean insoles, crisp logo stamping, and very light wear on outsoles. Includes added heel cushioning not original to the flats. Please see photos for exact details.