Login
Log in if you have an account
Register
Having an account with us will allow you to check out faster in the future, store multiple addresses, view and track your orders in your account, and more.
Create an account
We teamed up with Smartwool athlete and ultrarunner Rob Krar to make a sock that can handle the longest trail runs. Introducing our PhD® Pro Endurance Krar Print Crew. This running sock features Indestructawool™ technology for enhanced durability, our Virtually Seamless™ toe for added comfort, and our 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.
Benefits
Virtually Seamless™ Toe
Smoothed out toe seams for ultimate in-shoe fit and comfort
4 Degree™ Elite Fit System
For a dialed, performance-oriented fit with flex zone at ankle joint
Indestructawool™
Indestructawool™ technology features a patent-pending construction method for exceptional durability and comfort
Shred Shield™
Shred Shield helps reduce wear from toes
Ultra Light Cushion
The absolute minimum between you and your shoes.
Features
- Sock Height: Crew
- 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
- Made in USA of Imported Yarn: 57% Merino Wool 38% Nylon 4% Elastane 1% Polyester
- Style: SW001539
Care
- Machine Wash Warm Gentle Cycle.