Made in partnership with Kalen Thorien, Smartwool's PhD® Pro Hike Crew socks are engineered for hiking. Featuring Indestructawool™ technology for enhanced durability, cushioning on the toe and heel, and a comfortable seamless toe in addition to Merino wool. These socks will keep your feet dry and comfortable all day on the trail.

• 4 Degree™ elite fit system for a dialed-in, performance-oriented fit
• Body-mapped mesh zones for added breathability
• Achilles strap provides extra warmth and protection
• Made in USA
  
• Women's sizing: narrower heel and slimmer fit