Merino Wool

Smartwool has updated the fit of our Men's Merino 250 Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of their heaviest base layer tops and best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool, shoulder panels, and a flatlock seam construction to help minimize chafing as well as help keep you comfortable and temperature-regulated as you enjoy high-intensity skiing, hiking, running, and more.

Merino Sport Headband is made with lightweight, stretch-woven fabric to elevate every adventure. Say goodbye to those hair-in-your-face, sweat-in-your-eyes outings, and say hello to the comfort and sweat management of responsibly sourced Merino wool. This headband even features a silicone grip to help keep it place on your most intense adventures, as well as polyester for quick dry time. With your hair back and sweat managaed, it's never been easier to keep your focus on the feat ahead of you. One Size

Made with a blend of responsibly sourced Merino wool and polyester, Smartwool's Men’s Merino Sport Hoodie offers temperature regulation, moisture management, odor control, breathability, and quick dry times. Plus, it’s designed for comfort, with flatlock seams to help prevent chafing and a fit that gives you the freedom to move. For those times when you might break a sweat even when it’s cool—did someone say a fall hike or early spring mountain bike ride?—this hoodie will leave you feeling comfortable and fresh.

Both stylish and comfortable, Smartwool's Men’s Active Tech Pant is designed in a regular fit, so you have room to move, and offers panels of Merino Sport fabric for breathability. With outdoor-minded features like reflective elements for low-light conditions and a quick-dry finish, this pant is as suited for a beautiful fall hike as it is for grabbing a coffee on the terrace after.

Any day outside is a good day—and it’s made even better with the right tee to set the tone. Smarrtwool's Men's Active Ultralite Graphic Short Sleeve Tee is crafted with comfort in mind: with a super-soft blend of Merino wool and TENCEL Lyocell fibers, this performance fabric will help keep you cool, even if you’re building up that sweat. Plus, it has offset shoulder and side seams that help reduce chafing, as well as a body-skimming fit that moves with you. And if your outdoor adventure goes into the evening, it’s got reflective elements that can help you be seen. For your next day out, be sure this tee is part of your gear.

For those times when you want to keep sweat out of your eyes but don’t need sun protection, the Merino Sport Ultralite Headband is a game-changer. Made from a blend of ZQ-certified Merino wool and TENCEL™ fibers performance fabric, it’s crazy soft, lightweight, odor-resistant, and made to help keep you cool when you start to sweat. With a colorblock pattern for jaunty style, this headband will keep you fashionably comfortable on your next warm-weather hike or bike. One Size

The athletic fit of Smartwool's Men’s Merino Sport Ultralite Long Sleeve complements the movements of your body. With comfort features like offset shoulder and side seams to help minimize chafing, this very light and soft tee is made with a blend of ZQ-certified Merino wool with TENCEL™ Lyocell fibers, so it helps you feel cool even as your activity intensifies. Plus, it’s designed with reflective elements for low-light conditions, so this tee is great as a standalone for early-evening runs or as a baselayer for your next cool-weather adventure.

Neck gaiters can provide protection from UV rays, can help keep you cool on hot days, and can help keep you warm on cool ones. Smartwool's Merino Sport Ultralite Headband is made of a blend of responsibly sourced Merino wool with TENCEL™ Lyocell fibers, so this performance fabric is crazy soft, super light, and odor-resistant. And it’s designed with ear loops to help it stay securely in place. Plus, it can absorb your sweat or help protect you from wind. For a snowshoe adventure or a summertime hike, this gaiter has got you covered year-round. One Size

Simple but practical, Smartwool's Men’s Sport Ultralite Short Sleeve tee is soft yet functional, for all-day comfort and utility. Its super-light performance fabric—a blend of ZQ-certified Merino wool with TENCEL™ Lyocell fibers, this performance fabric will help keep you cool when your intensity amps up, and its design helps minimize chafing. Plus, it’s odor-resistant, breathable, and temperature-regulating, all helpful features when you work up a sweat. With a body-hugging athletic fit, this tee will keep you looking and feeling good, whether you’re pumping iron at the gym or hitting the trail for a hike.

When the weather gets warm, your arms might want some air. That’s where a good, high-performance tank comes in. Smartwool's Men’s Merino Sport Ultralite Tank brings all-day softness and functionality. It’s made with a blend of ZQ-certified Merino wool and TENCEL™ Lyocell fibers, so when you break a sweat, it's got your back with breathability, odor resistance, temperature regulation, and quick dry times. And with other thoughtful design features like seams made to help prevent chafing and reflective elements for dim-light conditions, this tank is prepped for the long haul, whether you’re playing pickup basketball or rowing crew on the river.

Comfort starts with the clothes you wear. That’s why Smartwool's Men's Active Ultralite Tech Tee is a great choice for your next outdoor adventure. Its regular fit gives you room to move, while its flatlock seam construction and offset shoulder seams help reduce chafing. But best of all, it’s made with a combination of Merino wool and recycled polyester, to help manage moisture, regulate temperature, and increase dry time when you start to sweat. Great for a hike in the hills or a jog in the neighborhood, this tee will help you start and stay comfy.

Tired of uncomfortable undies? You're in luck, Smartwool has designed the Men's Boxer Brief with feature a double front panel for extra support and special seamed weave that help prevent chafing. Plus the entire brief lets you enjoy the awesome benefits of their ZQ-certified Merino wool fabric with temperature regulated, moisture management and odor control. For a comfortable base layer comfort - no matter the activity whether it be a casual stroll through town or an intense sports session. Put on a pair of these briefs.

Designed for comfort, with offset shoulder seams, Merino wool for temperature regulation and odor control, and flatlock seams to minimize chafing, Smartwool's Companion Trek Graphic Short Sleeve Tee also has the quick dry times of recycled polyester, so even as you notch the intensity up, sweat and heat won’t bring you down. So grab this tee and get out there for anything from a day hike to 5K and beyond.

Smartwool's Dawn Rise Graphic Short Sleeve Tee features flatlock seams to prevent chafing as well as offset shoulder seams to up the upper-body comfort level. Plus, it offers a blend of Merino wool and recycled polyester, so you know you’ll get odor resistance, temperature regulation, moisture management, and quick dry times. Whether you’re taking an afternoon promenade about town or getting into a serious hike in the hills, this tee will be the perfect on-body accompaniment to keep you cool and comfy while you do it.

Shield your eyes from the glare, protect your face from UV rays, and look stylish doing it in this billed runner’s cap. Lined with a blend of responsibly sourced Merino wool and polyester for moisture management, odor resistance, temperature regulation, and quick dry times, the cap also includes reflective elements for low-light conditions. Perfect for your next training run or hike on the trails, this cap will help you go far and feel good doing it. One Size

Comfort starts with fit and feel. That’s why Smartwool's Men’s Intraknit™ Active Lined Short is designed with a body-skimming athletic fit, stretch-woven fabric with a quick-dry finish, and a boxer brief liner that helps with temperature control, moisture management, and odor resistance. Plus, these shorts offer practical features like pockets and reflective elements for when light goes low. For your next warm-weather adventure, whether that’s a mountain hike or a stroll to visit your neighborhood barista, these shorts will help you stay comfy.

This responsibly sourced Merino wool men’s tee is designed with the mountain biker in mind. Its regular fit allows for unrestrained movement, it’s designed with reflective elements for when you’re riding in dim light, and it offers a longer back hem for extra coverage. Plus, it’s made with a blend of Merino wool and Tencel™ performance fabric, which helps with breathability, moisture management, and odor resistance, so you’ll still feel cool, even when your ride heats up. And with its understated yet classy block-stripe pattern, you’ll look good the whole time you shred your next trail.

Designed with the mountain biker in mind, Smartwool's Men’s Mountain Bike Long Sleeve Jersey combines comfort with style. With a fit cut to give you room to move, a blend of responsibly sourced Merino wool and polyester for temperature regulation and quick dry times, back vents for breathability, reflective elements for low-light riding, and a longer back hem for extra riding coverage, this jersey will feel good, look good, and perform great. And because it’s odor-resistant, you can put it on for your next gnarly sesh and not be afraid to leave it on for the après-ride drinks with the crew.

Plain old cotton tees don’t hold a candle to Smartwool's Mountain Horizon Graphic Short Sleeve Tee. It’s made with a blend of responsibly sourced Merino wool and recycled polyester, so you know this shirt is soft, odor-resistant, temperature-regulating, and durable. Plus, it has additional comfort details like flatlock and offset seams that help reduce chafing. And the mountain graphic on the front adds just the right pizzazz to take you from the trailhead to errands around town and back again.

This shirt is a Saturday-afternoon classic. But why only wear it on the weekend? With fabric blended of responsibly sourced Merino wool and recycled polyester, flatlock and offset seams that help reduce chafing, and quick dry times that help alleviate that sticky-wet sweat, Smartwool's Mountain Trail Graphic Short Sleeve Tee brings the comfort for days. Whether you wear it for casual day at the office, an afternoon out about town, or just relaxing on the couch, this tee will remind you that weekdays are for comfort too.

Every great ride starts with the right footwear. Made with responsibly sourced Merino wool for natural odor resistance and temperature regulation, Smartwool's Men’s Bike Zero Cushion Ankle socks are designed with comfort in mind. With a 4 Degree™ elite fit system for a spot-on fit, a Virtually Seamless™ toe, and on-point mesh zones for added breathability, this sock is a foot’s best friend. The next time you’re ready to pedal out some miles, make these socks an indispensable part of your kit.

When you want to look good and feel good too, Smartwool's Men's 10" Short has you covered. The interior is made from a blend of responsibly sourced Merino wool and polyester, so it's breathable, thermoregulating, and soft, and the exterior is a lightweight, stretch-woven fabric that's great for moving. For your next round of golf or a coffee meetup with friends, grab a pair of these shorts for a snappy look that's comfortable as well.

Offering a stylish look and loads of comfort, Smartwool's Men's 8" Short is primed for summertime date night or movies in the park. With the regular fit, you've got room to move, and the design of the short—including thoughtful details like the Merino-lined waistband and the stretch-woven exterior fabric—will leave you feeling good. Plus, you can enjoy all the benefits of responsibly sourced Merino wool, like breathability, temperature regulation, and odor control, making these shorts a warm-weather staple.

For warm-weather biking or as a good first layer, Smartwool's Men’s Active Ultralite Mountain Biking Short Sleeve Tee is purpose-built for the avid rider. It’s super light and super soft, and its blend of ZQ-certified Merino wool with TENCEL™ fibers performance fabric will help with odor control, temperature regulation, and dry times. Plus, it offers thoughtful design elements like offset shoulder and side seams, a longer back hem, and reflective elements for low-light conditions. For your next ride, make this tee part of your go-to gear.

Blending warm, wicking Merino wool with lightweight, quick drying synthetic fibres to create a hardworking, comfortable baselayer. Soft to touch and naturally anti-bacterial, the Syncrino Base LS Tee is the perfect first layer for mountain activities in cold temperatures.

Blending warm, wicking Merino wool with lightweight, quick drying synthetic fibres to create a hardworking, comfortable baselayer. Soft to touch and naturally anti-bacterial, the Syncrino Base Tee is the perfect first layer for all mountain activities. They can also dry extremely quickly. By blending these yarns, we have created a quick-drying, fast-wicking, insulating, and durable material that’s ideal for mountain baselayers.

Made from a blend of soft, responsibly sourced merino wool and recycled polyester, our highly breathable ¾-sleeved jersey works for both ends of the thermometer, wicking moisture on climbs and hot days and providing extra coverage on chilly days and descents. Fair Trade Certified™ sewn.

Versatile year-round base layer bottoms made with 100% merino wool and a slim fit, the 175 Everyday Leggings offer premium breathability, odor-resistance and next-to-skin comfort. Perfect layering for Autumn to Spring, hitting the slopes or just in need of some added warmth from an extra layer during the work week.

A classic, all-purpose base layer T-shirt made with soft and breathable 100% merino wool fabric, the 175 Everyday Short Sleeve Crewe is as versatile as it is comfortable.

A versatile 100% merino wool base layer top with a classic zip-neck design, the 200 Oasis Long Sleeve Half Zip combines casual comfort with technical performance.