FOR THE LONG-HAUL TRAIL DAYS, GET THE SMARTWOOL PHD OUTDOOR ULTRA LIGHT MINI SOCK.
These socks are perfect for the days when the trail seems to go on forever. The Smartwool PhD Outdoor Ultra Light Mini Sock features Smartwool's Indestructawool™ and Shred Shield™ technology, meaning they'll be able to handle the wear that comes with long treks. The mesh zones add breathability to keep you cool and comfortable, and the 4 Degree™ elite fit system offers a performance-oriented fit.
Indestructawool™ technology for enhanced durability
4 Degree™ elite fit system for a dialed, performance-oriented fit