Looking for ways to stay warm on your adventures? The First Lite Allegheny Full Length Bottom offers just the thing. 

When you are out in the great outdoors, staying warm, dry, and comfortable makes all of the difference. Made from high-performance merino wool, the First Lite Allegheny Full Length Bottom wicks moisture away from your body and keeps you cool and dry. In addition, its natural ability to resist odors makes it a competitive product on the market for men’s thermal wear.

If you haven't ever bought a pair of wool thermals before, we highly recommend it. They are not the itchy types you typically think of when the word wool comes to mind. Quite to the contrary, these are some of the most comfortable thermals we have ever tested out. And when it comes to staying warm and cozy during your travels, we all know that comfort is key. Nothing is worse than arriving at your dream winter destination and realizing that you didn't pack warm enough clothes. Don't be that person. Travel smarter with the First Lite Allegheny Full Length Bottom. 

Different Materials of the Best Thermal Underwear (and how warm they are)

Whether you’re hitting the slopes for ski season or somewhere cold for New Year’s Eve, you’re going to want the best thermal underwear. Our picks on this list are made from durable materials, offer moisture-wicking properties and thermal insulation from the elements. More often than not, these thermals are made from merino wool or a combination of cotton and polyester. Personally, we appreciate thermals with a bit of stretch to them. This makes them fit more comfortably underneath your mid-layer.

Why You Need the Best Thermal Underwear for Your Travels

If you’re traveling in the summer season, you won’t need thermals. Generally speaking, investing in the best thermal underwear is primarily for a winter trip. However, some areas still have chilly weather in the fall or spring. It’s better to come prepared than be cold on your trip. If you’ve ever been on a cold weather trip, you know that it takes a bit of extra planning and thought.

First Lite Allegheny Full Length Bottom Features and Benefits

Credit: Amazon

More often than not, people don’t think seriously enough about their base layers. By investing in something like the First Lite Allegheny Full Length Bottom, you are investing in long-term comfort. This is perfect for travelers. Whether you are hiking, camping in the backcountry, jogging in the winter, or exploring a new city, they will help to get you by.

The First Lite Allegheny Full Length Bottom offers an affordable, practical way to do just that. What we wear against our skin really matters. After testing out various products on the trails and in the gym, we are happy to report just how well this style holds its own. Let’s take a closure look at its features and benefits to see if it is the right fit for you.

There is No Smell

Everyone knows that when you are traveling, you don’t always get the chance to wash laundry as often as you would like to. When you have to re-wear clothing, you can feel grubby. Thanks to the First Lite Allegheny Full Length Bottom are anti-odor. Merino wool is one of the best fabrics for resisting odors.

Easy to Care for

One of the best things about the First Lite Allegheny Full Length Bottom is that they are easy to care for. Washing merino wool is easy to do; your thermals won’t ball up or wear out easily. They are washer and dryer safe.

Soft and Durable

The First Lite Allegheny Full Length Bottom has the softest yet most durable merino wool fabric. Merino wool is naturally very breathable and will keep you warm even if it gets a little wet. But even the lightest merino wool thermals can get worn out, thin, and eventually tear. However, with the First Lite Allegheny Full Length Bottom, SmartWool wraps the Merino fibers around a nylon core to make the fabric more durable. The amazing part is that this does not compromise the feel. The result is a layer you can wear comfortably in moderate or cold temperatures. You won’t have to worry about it snagging or shedding prematurely.

Breathability and Fit

We have touched a little on this but it is worth exploring a little more. Before you try Merino wool you might assume what most people do – wool is itchy. Well, you would be wrong. In this case, wool isn’t what it used to be. In fact, merino wool is one of the most comfortable fabrics to wear on the market. Thanks to the stretchy fabric and snug fit, you feel like you are wearing the coziest of pajamas.

 In order to wick away sweat and moisture, the fabric has to be touching your skin. So make sure you read the size guide and purchase the right fit. The wool and nylon blend do a fantastic job of pulling away sweat and keeping you cool and dry. We love the First Lite Allegheny Full Length Bottom.

Tech Specs:

• Pure 100% merino wool
• 18.5 micron
• Merino wool is naturally antibacterial, so you won’t have to wash them as often when you are on the road
• Naturally fire resistant 
• Covered by the First Lite Warranty
• Weight 7 ounces
• Provides both warmth and breathability

What Travelers Have to Say about the First Lite Allegheny Full Length Bottom

If you’re worried about staying warm out in the elements, don’t be. In fact, travelers said that the First Lite Allegheny Full Length Bottom kept them a little too cozy for their liking. But it’s better to be too warm than cold, right? Make sure to layer smart and you will be just fine.

Even though travelers noted feel toasty, they raved that they never once felt sweaty or clammy when wearing this fabric. Isn’t that interesting? The moisture wicking properties work so well. In addition, users appreciate that SmartWool is an ethical company. Aside from the warmth and comfort, their favorite part about wearing the base layers for a prolonged period of time is that they didn’t stink.

Some users even wore them on a multi-pitch rock climbing route and stayed perfectly warm and comfortable. While you may think it is gross to wear your thermals multiple times, the anti-odor properties really do work wonders. In addition, washing them less preserves the material. According to SmartWool, their technology lasts longer than that of competitor brands.

The CoreSpun with the merino around the nylon core makes all of the difference. Even so, washing it in a mesh bag and hanging it out to try will ensure the material won’t get eaten up in the laundry machine. All in all, travelers love their SmartWool base layers. We can’t wait for them to come out with additional styles.

Alternative Thermal Underwear That Might Work Better for You

Are you looking for some thermal underwear pants too? Check out these styles that are sure to keep you warm and cozy.

Carhartt Men's Base Force Wicking Cotton Super-Cold Weather Legging

This style from Carhartt is created for men on the go and made to last. Composed of 100% cotton, it will keep you warm and help to get rid of sweat. Reinforced stitching and sturdy cuffs help to seal in body heat no matter what activity you may be doing. In this underwear, you will be prepared to take on even the harshest cold without worries. Stain breaking technology helps to release stains when you throw them in the wash.

Tech Specs:

• 100% cotton material
• Reinforced stitching at points prone to wear and tear Element
• Sturdy cuffs  
• Stain breaking technology  
• Heat retention
• Moisture wicking

Duofold Men's Midweight Double-Layer Thermal Pant

Are you looking for the best thermal underwear styles for extreme cold? Consider the Men's Midweight Double-Layer Thermal Pant from Duofold. The exterior layer of nylon and cotton material is super soft to the touch. The interior material is made from 65% cotton, 25% merino wool, managing to retain your natural body heat. Besides the material, flatlock seams make them invisible under your clothing and you won’t have to deal with annoying chafing. To avoid any annoying itches, the elastic band is tag-free.

Tech Specs:

• Exterior material: cotton and nylon
• Interior material: cotton, merino wool
• Flatlock seams for invisibility under your clothes  
• No annoying chafing  
• Tag-free elastic waistband  
• Retains your natural body heat

Stay Warm on Your Travels with the First Lite Allegheny Full Length Bottom

If you’re looking for a way to stay warm on your next cold weather trip, the First Lite Allegheny Full Length Bottom is the way to go. Not only does the Merino wool and nylon blend insulate you by helping to retain your body’s natural heat but it is moisture wicking and odor resistant as well. At a good price point, what more could you want in a pair of thermals? Pair them with a good pair of hiking socks, some sturdy shoes, and bulk up on your outer layers. You'll be good to go.

Related Article: Best Thermal Underwear Styles For Men And Women