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Whether you run on a track, on a sidewalk, or on a trail, you want your feet to stay as comfortable as possible. These low ankle socks are built to help with that. They offer a dialed-in women's specific fit,...

With just the right level of comfort and protection in all the right places, our Trail Run Targeted Cushion Summit Sector Print Crew Sock is designed to help you run farther with less fuss. It’s made with responsibly sourced Merino...

The cold has met its match. Take on the chilly temperatures with the Women's Run Cold Weather Targeted Cushion Crew Socks. Featuring our most advanced Indestructawool™ technology for enhanced durability, 4 Degree™ elite fit system for an unmatched performance fit,...

Whether you run on a track, on a sidewalk, or on a trail, you want your feet to stay as comfortable as possible. These low ankle socks are built to help with that. They offer a dialed-in women's specific fit,...

These hike socks? They're made out of old hike socks. Yep, our Hike Classic Edition Full Cushion 2nd Cut Crew Socks are made with a mix of recycled fibers, canister waste, and virgin Merino wool for a pair that feels...

With full, plush cushioning, the Classic Mountaineer Maximum Cushion Crew sock is just right for your long-distance and backpacking hikes. Its elasticized arch brace offers secure, lasting fit, and its flat knit toe seam helps with in-shoe comfort. Our thickest,...

Our Women’s Run Zero Cushion Low Ankle socks offer the comfort and durability that will help make every mile feel good. Indestructawool™ and Shred Shield™ technologies increase the sock’s durability, while the 4 Degree™ elite fit system, Virtually Seamless™ toe,...

Running can be grueling, but that doesn’t mean it has to be completely uncomfortable. With our Zero Cushion Low Ankle run socks, you get the comfort and durability that will help make every mile feel good. From the Virtually Seamless™...

Stay light on your feet with zero cushion Merino socks designed for speed and comfort. Our Indestructawool™ durability technology helps keep them going, while our 4 Degree™ elite fit system helps minimize blisters so you can maximize miles. F Indestructawool™Indestructawool™...

Take on the cold weather in the Run Cold Weather Targeted Cushion Crew Socks. Featuring our most advanced sock technologies for enhanced durability, breathability, and comfort. Plus, a crew height for a convenient way to add extra warmth under tights....

Everyday style. Naturally soft. Meet our Everyday Cozy Retro Sunflower Socks. These socks are made with Merino wool to help keep your feet warm, dry, and ready for what's next. F Cushioning placed along the entire bottom of the foot...

These light cushion hiking socks are designed to pair a just-right fit and long-lasting durability with the natural breathability, odor resistance, and temperature regulation of Merino wool. Perfect for going far and feeling good. F Indestructawool™ technologyIndestructawool™ durability technology is...

Nothing beats that panoramic view from the summit. Except maybe the enhanced comfort and durability of our Hike Light Cushion Panorama Crew Socks. Made with our Indestructawool™ technology and a 4 Degree™ fit system for a sock that never stops...

These light cushion hiking socks are designed to pair a just-right fit and long-lasting durability with the natural breathability, odor resistance, and temperature regulation of Merino wool. Perfect for going far and feeling good. F Indestructawool™ technologyIndestructawool™ durability technology is...

Our Women’s Run Zero Cushion Low Ankle socks offer the comfort and durability that will help make every mile feel good. Indestructawool™ and Shred Shield™ technologies increase the sock’s durability, while the 4 Degree™ elite fit system, Virtually Seamless™ toe,...

A little cushion can go a long way. And our Women’s Hike Light Cushion Mountain Moon Crew Socks are designed to have just the right amount of comfort your feet need to feel good all day on the trails. Durable...

With full, plush cushioning, the Classic Mountaineer Maximum Cushion Crew sock is just right for your long-distance and backpacking hikes. And with a taller crew height, it can accommodate all your favorite boots. Its elasticized arch brace offers a secure,...

Nothing beats that panoramic view from the summit. Except maybe the enhanced comfort and durability of our Hike Light Cushion Panorama Crew Socks. Made with our Indestructawool™ technology and a 4 Degree™ fit system for a sock that never stops...

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 Indestructawool™ technology for...

Meet your new favorite fireside companion. Cozy up with the Everyday Popcorn Polka Dot Crew Socks. Featuring full cushion support, and a premium sweater feel for all-day comfort. Your everyday just got a lot more comfortable with these premium Merino...

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. Enjoy a premium sweater feel and never-out-of-style look with our fan-favorite Everyday Larimer...

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. Enjoy a premium sweater feel and never-out-of-style look with our fan-favorite Everyday Larimer...

Cold miles, warm feet. These targeted cushion run socks help provide just‑right warmth without bulk. Our Indestructawool™ durability technology helps handle all the miles, while breathable mesh zones prevent overheating. Merino wool helps make it easy to run in tough...

Discover a new kind of crew with the Nordic Full Cushion Crew Socks. Featuring our most advanced sock technologies for enhanced durability, breathability, comfort, and warmth. Dress them up or down; either way, these cozy Merino crew socks will not...

Bring the natural performance features of responsibly sourced ZQ-certified Merino wool with you on every hike in our Women's Hike Light Cushion Margarita Ankle socks. Thermoregulation, sweat management, and odor resistance join forces to help keep you comfortable all day...

The cushioning on the entire Hike Full Cushion Crew sock provides added protection and warmth for those chillier hikes. This year’s sock offers Indestructawool™ technology with extended durability zones for a stronger, longer-lasting sock. Add in the smoothed-out toe seams...

This crew will give your foot the ultimate in comfort for any hike. With extended durability zones and updated mesh zones, this sock helps provide minimum pressure, maximized breathability, and durability to spare. Its 4 Degree™ elite fit system combined...

These Merino ski socks feature our most advanced Indestructawool™ technology for enhanced durability and our 4 Degree™ elite fit system for an unmatched performance fit. Plus, body-mapped mesh zones for added breathability. We'll see you on the slopes. F Extra...

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 Indestructawool™ technology for...

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 Indestructawool™ technology for...

Our fullest, plushest sock offers maximum cushioning for maximum comfort on long hikes or backpacking trips. Plus, with its stay-put arch brace and comfort-driven toe seam, you won’t notice it’s there. Constructed of responsibly sourced Merino wool blended with recycled...

This women’s ski sock’s full cushioning means that you’ll have added protection and warmth to ensure that you can enjoy a full day carving turns in the hills. With numerous comfort features and a women’s specific fit, this sock is...

Gear up for a great hike with the Women's Hike Light Cushion Otter Float Crew Socks. With a women’s-specific fit and light cushioning along the bottom of the foot for just the right amount of padding, this is the pair...

We've never met a trail we didn't want to trek. The same goes for our Hike Targeted Cushion Trail Trekker Print Crew Socks. With precise cushioning where you need it most, this is the pair that helps every mile feel...

With full, plush cushioning, the Classic Mountaineer Classic Edition Max Cushion Second Cut™ Crew Socks are just right for your long-distance and backpacking hikes. They’re made with our circular Second Cut™ yarn, which blends 50% recycled fibers from our sock...

Our favorite accessory to go with these socks? A crackling fireplace. Get your lounge on and make your feet extra cozy in our Everyday Snowed In Sweater Crew Socks. The closest thing to a knit sweater for your feet, they’re...

Our favorite accessory to go with these socks? A crackling fireplace. Get your lounge on and make your feet extra cozy in our Everyday Snowed In Sweater Crew Socks. The closest thing to a knit sweater for your feet, they’re...

With a mid crew height and a comfort welt with “stay put” fit, the Hike Light Cushion Mid Crew shows just enough of its personality above the shoe while protecting all of your comfort inside of it. This sock features...

If you're looking for that warm and fuzzy sweater feeling, you've come to the right place. The Everyday Fair Isle Sweater Crew Socks feature a premium sweater feel, with a "stay put" fit for all-day comfort. Get going or get...

With full, plush cushioning, the Classic Mountaineer Maximum Cushion Crew sock is just right for your long-distance and backpacking hikes. And with a taller crew height, it can accommodate all your favorite boots. Its elasticized arch brace offers a secure,...

The perfect crew sock for you. Made with responsibly sourced Merino wool and a fit that feels just right, our Everyday Rollinsville Crew Socks help bring more comfort and style to your everyday routine. F Cushioning placed along the entire...

Make everyday feel like a winter wonderland with the Everyday Popcorn Snowflake Pattern Crew Socks. Featuring full cushion support, a slim fit for less bulk, and a premium sweater feel for all-day comfort, you'll stay warm and cozy all winter...

Get that warm and cozy winter feeling all year long with the Women's Everyday Traditional Snowflake Crew Socks. Featuring a unique snowflake pattern, full-cushion support, and a premium sweater feel for all-day comfort. Bring a little more coziness to your...

With a mid crew height and a comfort welt with “stay put” fit, the Hike Light Cushion Mid Crew shows just enough of its personality above the shoe while protecting all of your comfort inside of it. This sock features...

Bring the natural performance features of responsibly sourced ZQ-certified Merino wool with you on every hike in our Women's Hike Light Cushion Margarita Ankle socks. Thermoregulation, sweat management, and odor resistance join forces to help keep you comfortable all day...

Whether you run on a track, on a sidewalk, or on a trail, you want your feet to stay as comfortable as possible. These low ankle socks are built to help with that. They offer a dialed-in women's specific fit,...

These hike socks? They're made out of old hike socks. Yep, our Hike Classic Edition Light Cushion 2nd Cut Crew Socks are made with a mix of recycled fibers, canister waste, and virgin Merino wool for a pair that feels...

Men's Smartwool Socks Chart U.S. Men's Shoe Euro Shoe UK Shoe Calf Circumference (Largest part of the calf) S 3-5.5 34-37 2-4.5 11"-14.5" (18-26.5 cm) M 6-8.5 38-41 5-7.5 12.5"-16.5" (32-41 cm) L 9-11.5 42-45...