The Speed ​​Solo Mid Waterproof Hiking Boot is the new lightweight hiking boot from Merrell which are more environmentally friendly. With a lighter construction and more casual style, we can wear them on light hikes or wear them every day as an urban hiking shoe. We may also like that the mesh lining Straps and laces are made from 100% recycled materials outsole made from 30% recycled rubber and the BLOOM midsole is made from 10% algae biomass which provides a more environmentally friendly design.