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Hiking Medium Crew
This all-purpose three-season outdoor sock was designed for rugged day hikes or moderate backpacking.
Hiking Light Crew
An arch brace holds the sock in place and adds additional support, while a flat-knit toe seam keeps you comfortable throughout the day.
PhD Outdoor Light Micro
This sock blends a high performance fit with selec...
PhD Outdoor Light Crew
Our light half-cushioned PhD Outdoor Light Crew is...
PhD Outdoor Light Mini
Great for trail running, mountain biking and warm ...
New Classic Rib
A refreshed version of the Classic Rib, the New Cl...
PhD Running Light Micro
No sock tan here.
Hiking Ultra Light Crew
For the day hiker looking for a little more covera...
Heathered Rib
A no-nonsense ribbed sock with built-in, cushioned...
Trekking Heavy Crew
Heavy full-cushioning provides shock absorption, o...
PhD Running Light Mini
Our light cushioned PhD Running Light Mini is the ...
Feels Good
