Allbirds is a proud Certified B Corporation and sources materials that are FSC®-certified.Life becomes easy when you wear Allbirds® Tree Dasher 2 sneakers for your casual day out or weekend trips. Made with seamless one-piece polyester upper, the sneakers feature round toe, lace closure, and mid-top design. A polyester lining and EVA insole offers superior cushioning. Lightly padded heel collar locks ankle in place and increases stability. Flexible, cushioned midsole offers a smoother ride.EVA outsole.Imported.Product measurements were taken using size 9, width D - Medium. Please note that measurements may vary by size.Measurements: Heel Height: 2 1⁄4 in Weight: 10 oz SKU 9973606View Zappos.com Glossary of TermsFind something wrong in this description? Help us fix it! Report An Error