Designed to Grey anything Mother Nature throws its way, The Hoka Arahi 4 is a firm’s black Challenger Low GTX is waterproof and beefed-up for the trails. It’s made from a combination of nubuck and GORE-TEX and has the brand’s signature Meta-Rocker technology in the donna. A hit of reflective 3M at the heel and a lugged rubber donna complete the go-anywhere style.