ALTRA PARADIGM 8 NAVY/BLACK - MENS SIZE:Size 12.5 The sock includes Virtually Seamless™

The sock includes Virtually Seamless™ Toe

This classic Birkenstock two-strap style is made in a variety of upper materials or colors

Elevate their game to the next level with the SRtech™ Ian 2

It includes OOfoam technology

WARM insulation rated to -25°F

ALTRA PARADIGM 8 NAVY/BLACK - MENS SIZE:Size 12.5 The sock includes Virtually Seamless™Built on the revolutionary idea that your feet know how to run, the Paradigm 8 combines Altra's signature zero drop platform with subtle support that works with your body, not against it. Whether you're discovering zero drop for the first time or you're a longtime Altra fan, the Paradigm 8 lets your toes spread naturally while giving you the confidence to explore what feels right for your stride.