Step up your style with these sleek blue Allbirds athletic sneakers. Perfect casual sneaker or travel shoe too! Breathable Knit Active Shoe, Made From Natural Materials for Everyday Performance Sustainable Materials: FSC-certified TENCEL™ Lyocell (eucalyptus tree fiber) upper SweetFoam® midsole made with sugarcane-based green EVA FSC-certified natural rubber outsole Bio-based nylon eyelets Shoe laces made from recycled plastic bottles Castor bean oil-based insole foam ZQ merino wool heel lining Men's Tree Dasher 2 Highlights Seamless one-piece upper provides maximum comfort Lightly padded heel collar locks ankle in place Flexible, cushioned midsole offers a smoother ride DETAILS • New & Improved: Meet The Tree Dasher 2, the next evolution of our best-selling running shoe with lighter, more responsive foam, extra grip, and an improved fit to keep you running and nature winning. • Best For: Everyday runs, walks, roads, light workouts • No-Slip Heel Fit: Improved heel collar helps lock ankle in place • A Cushier Crash Pad: Sportier, angular heel shape softens impact • Where It’s Made: Vietnam Machine washable! New in box, no tags since there were none originally. Offers welcome!