Darn Tough Men's Light Hiker Micro Crew Lightweight Hiking Sock optics Made for backpackers who go

Made for backpackers who go deep into the backcountry and journey beyond the reach for resupply

which has three times the airflow rate of the classic valve thanks to a larger opening and one-way inflation

Introducing the Big Zip™ EVO—the latest evolution in taste-free hydration

Multifaceted optical lens design Removable battery pack (longer cable included)

Darn Tough Men's Light Hiker Micro Crew Lightweight Hiking Sock optics Made for backpackers who goIf you redesign one of the most popular socks in the line you better come correct. Increased breathability with mesh panels on top of the foot, a new smooth ribbing upper that stays put forever, and extended cushion over the Achilles just a few heavy additions to one of the lightest hike socks out there. FEATURES Performance Fit: No slipping, no bunching, and no blisters. Fine Gauge Knitting: Unprecedented durability and our unique put it on, forget