PhD® Pro Endurance Print Crew Socks
Multi Color
Bright Blue
$25.95
Men's PhD® Run Ultra Light Micro Socks
Fossil
Neptune Blue
Medium Gray
White
Black
Graphite
Smartwool Green
$16.95
Men's PhD® Run Ultra Light Pattern Micro Socks
PhD® Run Ultra Light Wave Print Micro Socks
Crimson
Alpine Blue
Taupe
$16.95
Men's PhD® Run Ultra Light Low Cut Socks
Graphite
White-Alpine Blue
Frosty Green
Black
White
$16.95
PhD® Run Ultra Light Print Crew Socks
Men's PhD® Run Light Elite Micro Socks
Black
Light Gray/Black
Alpine Blue
White-Capri
Frosty Green
Tandoori Orange
Natural
$15.16 -  $18.95
Men's PhD® Run Light Elite Low Cut Socks
Neptune Blue
Graphite
Lunar Gray
Black
$18.95
Men's PhD® Run Light Elite Crew Socks
Men's PhD® Run Cold Weather Mid Crew Socks

Caution: we've been told that once you try our men’s PhD running socks, you may never settle for a lesser sock again. They’re made with Indestructawool technology to add extra durability to high-impact areas, and trail-tested for proven comfort. Our line of men’s PhD socks offers a variety of heights and weights, from heavy trekking and hunting (or lounging) socks to ultra light wool running socks. Try a pair and find out why only the best men’s running socks earn the highest degree of performance.