This style name is has been updated. It is formerly known as the Smartwool Men's PhD Pro Endurance Krar Print Crew Socks.
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
Ultra Light Material:
57% Merino Wool, 38% Nylon, 4% Elastane, 1% Polyester