allbirds Tree Runners marine blue with white sole size 9

DETAILS Our breathable, silky-smooth sneaker made with responsibly sourced eucalyptus tree fiber treads lightly in everything you do. Best For: Walking, warmer weather, everyday wear Thermoregulating Material: Lightweight, breathable eucalyptus fiber provides next-level comfort Versatile Design: Wear-with-everything classic style, great for travel Condition notes: outsoles are discolored from wear. removable merino wool insoles show wear, but have plenty of life left. Machine washable, great sustainable shoes.