The Best Mens Thermals of 2023

Traditional full length thermal pant made from U.S. sourced cotton and recycled polyester

Soft mini waffle fabric long johns underwear bottoms

Provides insulation and warmth in cold to moderately cold conditions

Moisture wicking and quick drying fabric

Reinforced flat seam construction

Mens thermal underwear is a lightweight thermal set of both a thermal top and bottom made of a poly-spandex material that will wick away moisture to keep you dry with no sticky or clammy feeling so you can wear them all day.

Made of premium fabric, thermals for men have smart odor control to prevent the spread of smells as well as absorbing odor-causing enzymes so they won’t stick to your skin. You can remain confident that wearing these all day won’t cause any problems.

Built with flexibility, the thermal underwear is highly stretchable to offer full mobility. The fabric won’t hinder your movements so you can move freely while at the gym, office, or home. They are perfect for all activities and will keep you comfortable.

Men thermal underwear set is soft against the skin, yet its strong seams won’t rip or tear prematurely, offering long life. They fit snug like a second skin for perfect heat retention minimizing heat loss for an ideal base layer or worn on their own.

For even more added comfort, long johns for men thermal have no tags, which reduces any skin irritation. You can slip them on and off easily and can be worn under your clothes for added insulation and at the gym for added support and movement.

Poly-wool blend regulates temperature, fast dry wicks away sweat and fights odor

Rugged flex technology for ease of movement

Smooth flat lock seams and tagless label enhance comfort

Concealed dry low-stitch waistband and contoured front for comfort

Strategic seam placement for maximum comfort and reduced chafing

Soft mini waffle fabric thermal long sleeve crew neck t-shirt made from U.S. sourced cotton and recycled polyester

Mid-weight thermal pant with drawstring waist

Package Includes: 1 - Men’s 250g/m² merino wool thermal leggings

SUPER SOFT: 100% all natural superfine 18.5-micron Merino wool ensures comfort all day long – no itch! EASY CARE: Your thermal pants are machine-washable on cold setting and safe to tumble dry on low heat with like colors, so it’s ready when you are for your next adventure. MEN’S SIZE OPTIONS: XS to 3XL.

BREATHABLE: Keeping you cool in summer and warm in winter, MERIWOOL’s 250g/m2 weight interlock-knit Merino wool can be used as a base layer or mid-layer, but won’t weigh you down. COMFORTABLE & CONVENIENT: Quick-drying pants feature a loop for hang drying while camping, hiking, hunting, working, playing sports, skiing, or partaking in any outdoors activity.

WICKING & ODOR RESISTANCE: Merino wool’s natural wicking and odor-resistant properties keep you dry and comfortable while active in cold weather. Through the process of wicking, Merino wool is the most breathable fabric and absorbs moisture better than any other fibers. Wicking refers to a fabric’s ability to pull moisture away from your body and keep you comfortable.

EXCEPTIONAL CUSTOMER CARE: If your MERIWOOL Men’s Leggings don’t perform to your satisfaction, return it to us within 30 DAYS with proof of purchase for a hassle-free refund, exchange, or replacement. Includes a 1-YEAR limited manufacturer’s warranty, which covers manufacturing and material defects. For best results: hand wash and lay flat to dry.

KEEP WARM (WITHOUT THE SWEATY MESS): Happy Customers say the unique breathable, moisture-wicking fibers on Rocky thermal underwear keeps them warm, without becoming sweat-soaked, so trips to the snow aren’t ruined by constant uncomfortable sweating and overheating

NO MORE OLD-SCHOOL SCRATCHY INSULATED UNDERWEAR: Traditional cotton long underwear are simply scratchy and uncomfortable to wear for long periods of time, Rocky thermals are made from a soft, comfy polyester blend so you can enjoy all-day comfort, and your winter adventures never have to end

FLEECE-LINED COMFORT (WITHOUT THE BULK): Don’t let the lightweight fabric fool you, thanks to the fleece-lined design, this thermal underwear set gives you high-quality warmth that fans say keep them warmer than traditional puffy thermals or wool base layers that leave you feeling strangled or trapped

NO MORE AWKWARD ADJUSTING THANKS TO ELASTIC SEAMS: Check out the pictures and see how this men’s thermal underwear set is crafted using elastic seems that keep tops and bottoms from falling down or bunching up (even on long walks to school), and if your family enjoys skiing, snowboarding, or ice skating then Rocky makes a great base layer -- but without the sagging and ‘awkward adjustments’

MACHINE WASHABLE FOR EASY CLEANUP: While cheap Thermal Underwear unravel in the washing machine after only a few cycles, Rocky uses high-quality stitching for thermal leggings and long sleeve shirts that stand up to the washer -- even with super-active days and many muddy adventures

Waffle knit traps heat, fast dry wicks away sweat and fights odor

Rugged flex technology for ease of movement

Smooth flatlock seams and tagless label enhance comfort

Concealed dry low-stitch waistband and contoured front for comfort

Strategic seam placement for maximum comfort and reduced chafing

*Alert: True to size : Please follow the size examples below*(EX: Size "Large recommended" - Size for 6" 215 lbs.) (EX: Size "Medium" 5'9"165 lbs.)

TSLA Thermal Underwear© Series for warmth and soft touch.

[Materials] Mix of Polyester & Elastine fabric is excellent mobility and moisture-wicking.

[4-Way Stretch Fabric] It supports unrestricted movement.

[Top & Bottom Set] Underwear set contains 1 Top and 1 bottom.

It is suitable as sleepwear at home or a baselayer when an extra layer is needed.

Washing Tip : Wash separately before wearing.

Thermal Underwear for Men: Our thermal tops for men are made of a 65/35 cotton/Polyester blend and circular waffle knit that keeps you warm; rib cuffs provide added protection from cold

Comfortable Thermal Underwear: Waffle knit traps and retains body heat; soft and cotton-rich thermal undershirt does not shrink excessively after washing

Versatile Thermal Underwear Tops for Men: These thermal tops have a tagless label and are machine washable; rated for extremely cold weather and activity range of medium to high

Multi-Size Thermal Undergarments: Indera offers thermal base layer for the whole family for outdoor winter fun, ranging from small to 6XL

Warmth in Winters: Indera offers a wide range of the highest quality thermals designed and knit in the USA and assembled in Mexico, with styles striving to provide a product that everyone can be comfortable wearing during winter fun