The world is your oyster in the 5.ZERØGRAND Explore Hiker Boot.The rugged upper is crafted in waterproof materials and also features thermal insulation to keep you warm and dry no matter the adventure.Plus, a nonslip rubber outsole and our patented FlowerFoam™️ sole, designed with a minimum of 25% naturally derived or recycled content by weight, provides cushion and stability while walking on the trails or in the city. Details Lace-up boot crafted in waterproof leather uppers and sealed seams to keep the elements out. Upper features thermal insulated design for ultimate warmth. Midsole features patented FlowerFoam™️ EVA sole made from a minimum of 25% natural dandelion rubber.  ZERØGRAND 5.0 diamond shaped midsole design allows for greater flexibility while the cushioned underfoot foam compound provides a softer ride. Non-slip rubber traction provides stability on the trails or in the city. Style #C35696