The Women's Phd Outdoor has fit to the 4th degree, which means it fit really really well. Great cushioning and comfort.
For a sock that has it all, look no further: the PhD® Outdoor Medium Crew offers fit, comfort and durability wrapped together in one smart sock. Featuring Indestructawool™ technology for ultimate durability in high wear areas, the 4 Degree™ elite fit system for a dialed fit and our signature Virtually Seamless™ toe for extraordinary comfort in any trail shoe. Medium cushioning provides impact protection and ultimate comfort on the trail.