Smartwool teamed up with athlete and ultrarunner Rob Krar to make a sock that can handle the longest trail runs. Introducing the PhD® Pro Endurance Krar Print Crew. This running sock features Indestructawool™ technology for enhanced durability, a Virtually Seamless™ toe for added comfort, and a 4 Degree™ elite fit system for a dialed, performance-oriented fit—so you can stay confident on the most rugged trails. And body-mapped mesh zones keep things breathable mile 1 to mile 100. Get ready to rack up more miles than ever before.

• Rob Krar signature sock
• Indestructawool™ technology for enhanced durability
• 4 Degree™ elite fit system for a dialed-in, performance-oriented fit
• Shred Shield™ technology reduces wear from toes
• Body-mapped mesh zones for added breathability
• Virtually Seamless™ toe for enhanced comfort
• 7.5" overall height
• Length: Crew
  
• Weight: Ultra Light
  
• Material: 57% Merino Wool, 38% Nylon, 4% Elastane, 1% Polyester
• Color: Tandoori Orange

SW001539-823