Nwot, allbirds Trail Runner SWT in ‘ Natural Black ‘, Women’s 9.5. Eco friendly, attractive all Black color-way, Merino Wool Blend upper. Retail $140 but not here.. Tackle off-road terrain with our first-ever hiking & trail running shoes. Tested for durability, stability, and traction, it’s the sneaker, comfort, and sustainability you love with new ripstop fabric, grippy treads, and stabilizing support. Some of our best trail running shoes to take on any adventure. Best For: Hiking, walking and trail running. Natural Innovation: Durable, water-resistant finish helps keep shoes from getting soggy. All-Condition Traction: Multi-directional 4mm lugs perform on any terrain. Easy Slip-On Design: Single-piece knit upper and pull tab make getting out and going offroading effortless. Sustainable Materials: FSC-certified TENCEL™ Lyocell (eucalyptus tree fiber) and ZQ Merino Wool blend upper ZQ Merino wool and recycled polyester ripstop SweetFoam® midsole made with sugarcane-based green EVA FSC-certified natural rubber outsole Bio-based TPU seam tape and heel counter Bio-based nylon eyelets Shoe laces made from recycled plastic bottles Castor bean oil-based insole foam ZQ merino wool heel lining