All Socks

Perform with the power and comfort of responsibly sourced, ZQ-certified Merino wool in our Hike Light Cushion Crew socks. Formerly known as PhD® Outdoor, we've updated our best hike socks to include more sustainable materials with the addition of...

Our Classic Hike Full Cushion Crew socks focus on comfort and durability, so you can go farther on every hike. Responsibly sourced, ZQ-certified Merino wool keeps things soft, while recycled nylon keeps it all sustainable. Full cushioning on the entire...

For the day hiker looking for a little more coverage, this hiking sock adds a small amount of cushion. An open, mesh fabric and two types of rib offer enhanced breathability and a perfect fit. Inspired by today's ultra-light hiking shoes, this...

This all-purpose hiking sock was designed for rugged day hikes or moderate backpacking. An arch brace holds the sock in place and adds additional support and a flat-knit toe seam matched with our responsibly-sourced Merino wool helps keeps you...

Featuring rail stripes that add just the right personality for the trail, the Performance Hike Full Cushion Rail Stripe Crew puts cushioning around the entire sock for enhanced comfort, protection, and warmth. With a new two-ply yarn structure, this...

Our Hike Full Cushion Crew socks, formerly PhD® Outdoor, use cushioning on the entire sock to help maximize warmth and protection. These responsibly sourced, ZQ-certified Merino wool hike socks are built with our top sock tech, including...

Our new and improved Hike Light socks, formerly PhD® Outdoor, bring you enhanced features to maximize comfort and help you get after it at the highest level. We've extended the durability zones to make them cover even more of the sock–offering...

Features Sock Height: Crew Sizing clearly indicated on the sock Flat knit toe seam for additional comfort Elasticized arch brace for a secure fit Made in USA of Imported Yarn: 69% Merino Wool, 30% Nylon, 1% Elastane Style: SW0SW129 Machine Wash Warm,...

Need a super sock? This is it. The 5.11 OTC Sock with Cupron enhanced fibers will inhibit the growth of athlete’s foot fungus after just 12 hours of wearing the OTC sock, keeping your feet cooler, dryer and funk-free.    

Two pairs of socks are better than one. That's why we're offering an Athletic Light Elite Crew 2 Pack. These men's socks pair perfectly with all of your athletic shoes—regardless of their height. Our athletic socks use targeted cushioning around...

Meet the one sock you'll need all winter. These rugged socks give a nod to classic ragg wool but offer the comfort and benefits of modern Merino. Subtle Donegal yarn details add texture and traditional style. Benefits: Medium Cushion Medium impact...

Venture farther and stay warmer with the PhD® Outdoor Heavy Crew. Heavy cushioning and the power of itch- and stink-free ZQ-Certified Merino wool help keep your feet warm, dry, and comfortable whether you’re out on a multi-day trek or trudging...