Allbirds Men Tree Runners TR Size 12 Lace Up Beige Sneakers Aspen

Allbirds Mens Tree Runners TR M12 Beige Aspen Size 12 Lightweight, breathable eucalyptus fiber provides next-level comfort Cushioned midsole gives wear-all-day support Machine-washable materials New without box Breathable, silky-smooth sneaker made with responsibly sourced eucalyptus tree fiber treads lightly in everything you do. *Thermoregulating Sustainable Materials: *FSC-certified TENCEL™ Lyocell (eucalyptus tree fiber) upper *SweetFoam® midsole made with sugarcane-based green EVA *Bio-based TPU eyelets *Shoe laces made from recycled plastic bottles *Castor bean oil-based insole foam *ZQ merino wool heel lining