Adidas TERREX FREEHIKER 3 Ultra GORE-TEX Hiking Shoes (opens in new tab)

The original Freehiker put Boost foam from running shoes into a hiking boot and helped launch the gorpcore wave in 2019. Six years and two generations later, Adidas is raiding its running lab again, but this time the technology it borrowed is more ambitious.The Freehiker 3 Ultra GTX replaces Boost with a dual midsole combining Hyperboost Pro and Dreamstrike+ cushioning, the same foam stack found in Adidas road racing shoes. The result is a 43mm heel stack that sits squarely in marathon super ...