A favorite of through-hikers and day-trippers alike, the Women's PhD Outdoor Light Mid Crew packs some serious trail power. Featuring a versatile, multi-sport design, this lightweight style includes Indestructawool technology for ultimate durability in high-wear areas. And when it comes to comfort, we pulled out all the stops: the 4 Degree elite fit system provides a dialed-in fit, and our signature Virtually Seamless toe offers extraordinary comfort in any trail shoe. Plus, our new Shred Shield technology helps reduce wear from toes.