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Tech products are covered by our lifetime warranty. Midweight merino wool Base Layer Mens naturally regulates body temperature to keep you comfortable all year round. Easy care – washer/dryer safe.
5 micron merino wool underwear Mens provide all day comfort and no itch! Designed for daily wear without rubbing and overheating of regular cotton. Moisture wicking & odor resistant – merino baselayer men natural wicking and odor-resistant properties allow it to absorb moisture better than any other fabric, keeping you dry and fresh.

For best results: hand wash and lay flat to dry. Package includes: 1 - men’s 250g/m² merino wool thermal leggings. Super soft: 100% all natural superfine 18.
Breathable: keeping you cool in summer and warm in winter, working, but won’t weigh you down. 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. Men’s size options: XS to 3XL. Wicking & odor resistance: merino wool’s natural wicking and odor-resistant properties keep you dry and comfortable while active in cold weather.

Our 100% natural australian merino wool is ethically sourced from non-mulesed sheep. It goes where you go: the durable 4-way stretch rib knit hem and snug fit will flex, snowboarding, working, hiking, and move with your body to maintain range of motion and comfort.
Whether you're camping, conform, or just taking it easy, working out, this comfy thermal has got you covered. Stays fresh: these moisture-wicking and odor-resistant merino base layer tops have natural hygienic properties to keep you fresh even after extended use during your travels. Light comfort: merino wool's excellent warmth to weight ratio is ideal when packing light for your travels.


Package includes: 1 - men’s 400g/m² merino wool thermal leggings. Men’s size options: S to 2XL. Exceptional customer care: if your meriwool men’s heavyweight baselayer bottoms 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.
Wicking refers to a fabric’s ability to pull moisture away from your body and keep you comfortable. 400g of warmth: upgrade from our most popular 250g midweight bottoms to our new 400g heavyweight bottoms! these interlock-knit merino wool thermal legging are perfect as base layer or mid layer for cold to freezing conditions; our warmest and thickest base layer yet! COMFORTABLE & CONVENIENT: Quick-drying pants with a UPF Rating 50+, working, playing sports, hiking, skiing, hunting, they feature a loop for hang drying while camping, or partaking in any outdoors activity. For best results: hand wash and lay flat to dry.

Outfitting anyone from the Hard-at-Work to the Hard-at-Play. Technical details: 100% 18. 5 micron merino wool 235 g/m2 interlock knit construction with flatlock seams.
We’re new englanders, Minus33 has been a trusted brand since 2004. We’ve been hiking, skiing, snowy winters, camping, to colorful springs and summers. Wear these for anything: hiking, the activities are endless. Wear this base layer under your clothes for cold weather or just wear them by themselves to lounge around. Designed to keep you warm, and ready for hours of outdoor fun! We are committed to bringing you the best Merino Wool products at a reasonable price.

Environmentally friendly: when you want luxury, you want meriwool! our 100% Merino wool base layer is a renewable fabric that’s gentle on the earth. For best results: hand wash and lay flat to dry. And since you won’t have to wash it as often as synthetic materials, you’ll even use less water.
Naturally odor-resistant, so you can pack less. Cool and comfortable: whether you’re camping, our wool base layer keeps you warm without restricting movement! Breathable and quick-drying, fishing or biking, it wicks sweat away from the skin, so you’re never weighed down by damp, sticky fabric. Exceptional customer care: if your meriwool men’s base layer bottoms do not perform to your satisfaction, return it to us within 90 DAYS along with your proof of purchase for a hassle-free refund, exchange, or replacement. Material: 16.


Keep covered in wool gloves, wool base layers such as tops, glove liners, leggings, under shirts, bras, mittens, bras, underwear & more.
With multi-purpose & nature. Insulated, breathable & odor resistant for long days & nights of hiking & camping. Wool leggings for men: these second skin wool leggings with fly are the perfect foundation for your everyday cold-weather layering system.

Stays fresh: these moisture-wicking and odor-resistant merino base layer tops have natural hygienic properties to keep you fresh even after extended use during your travels.
Our 100% natural australian merino wool is ethically sourced from non-mulesed sheep. Light comfort: merino wool's excellent warmth to weight ratio is ideal when packing light for your travels. It goes where you go: the durable 4-way stretch rib knit hem and snug fit will flex, working out, hiking, working, conform, and move with your body to maintain range of motion and comfort.
1. Merino.tech
#ad
Merino.tech Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Midweight Thermal Underwear Long Johns + Wool Socks X-Large, Black 250
#adMerino.tech #ad - For longer lasting wear, hand wash and air dry. Free merino wool hiking socks $21 value! – package includes merino wool pants for men midweight 250 g/m² + merino Wool Hiking Socks. Lifetime warranty – all merino.Tech products are covered by our lifetime warranty. Midweight merino wool Base Layer Mens naturally regulates body temperature to keep you comfortable all year round. Easy care – washer/dryer safe.
More information #ad
If your merino pants do not perform to your satisfaction, return them within 60 DAYS for a hassle-free refund, exchange, or replacement. Cool packaging! makes a great christmas gift! super soft & comfortable – 100% superfine 18. 5 micron merino wool underwear Mens provide all day comfort and no itch! Designed for daily wear without rubbing and overheating of regular cotton. Moisture wicking & odor resistant – merino baselayer men natural wicking and odor-resistant properties allow it to absorb moisture better than any other fabric, keeping you dry and fresh.
Brand | Merino.tech #ad |
More information #ad
2. MERIWOOL
#ad
MERIWOOL Mens Base Layer 100% Merino Wool Thermal Pants Black
#adMERIWOOL #ad - Comfortable & convenient: quick-drying pants feature a loop for hang drying while camping, MERIWOOL’s 250g/m2 weight interlock-knit Merino wool can be used as a base layer or mid-layer, skiing, playing sports, hunting, hiking, or partaking in any outdoors activity. Includes a 1-year limited manufacturer’s warranty, return it to us within 30 DAYS with proof of purchase for a hassle-free refund, which covers manufacturing and material defects.For best results: hand wash and lay flat to dry. Package includes: 1 - men’s 250g/m² merino wool thermal leggings. Super soft: 100% all natural superfine 18.
More information #ad
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. Exceptional customer care: if your meriwool men’s leggings don’t perform to your satisfaction, exchange, or replacement. Breathable: keeping you cool in summer and warm in winter, working, but won’t weigh you down. 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. Men’s size options: XS to 3XL. Wicking & odor resistance: merino wool’s natural wicking and odor-resistant properties keep you dry and comfortable while active in cold weather.
Brand | MERIWOOL #ad |
Manufacturer | MERIWOOL #ad |
Part Number | EM MW-M-LEG250-L-BLK |
More information #ad
3. LAPASA
#ad
1 Pack, Large, 100% Merino Wool Long Johns Pants, LAPASA Merino Wool Base Layer for Men, M30, Black, Lightweight, Mens Thermal Underwear Bottom Ski and Hunting
#adLAPASA #ad - Merino benefits: the breathable interlock knit merino wool is perfect for maintaining thermal comfort to keep you cool when it's hot, and warm when it's cold so you can stay comfortable in any season. The 18. 5 micron merino wool fibers are soft and smooth without the itch of traditional wool.Our 100% natural australian merino wool is ethically sourced from non-mulesed sheep. It goes where you go: the durable 4-way stretch rib knit hem and snug fit will flex, snowboarding, working, hiking, and move with your body to maintain range of motion and comfort.
More information #ad
Uv protection: the upf 50+ rating fabric blocks 98% of the sun's UV rays to keep you safely covered and prevent sunburns. Whether you're camping, conform, or just taking it easy, working out, this comfy thermal has got you covered. Stays fresh: these moisture-wicking and odor-resistant merino base layer tops have natural hygienic properties to keep you fresh even after extended use during your travels. Light comfort: merino wool's excellent warmth to weight ratio is ideal when packing light for your travels.
Brand | LAPASA #ad |
Height | 11.81 Inches |
Length | 8.27 Inches |
Width | 1.57 Inches |
Model | LPM17AW00300BLK00LR1 |
More information #ad
4. Smartwool
#ad
Smartwool SW016361001XL Men's Merino 250 Baselayer Bottom Black XL
#adSmartwool #ad - Will help keep you cool when your intensity amps up, and its design helps minimize chafing. Odor-resistant. Temperature regulating.More information #ad
Brand | Smartwool #ad |
Manufacturer | Smartwool #ad |
Height | 2 Inches |
Length | 5 Inches |
Weight | 0.13 Pounds |
Width | 4 Inches |
Part Number | SW016361001-XL |
Model | Smartwool |
More information #ad
5. MERIWOOL
#ad
MERIWOOL Mens Base Layer 100% Merino Wool Heavyweight 400g Thermal Pants Army Green
#adMERIWOOL #ad - 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. Includes a 1-year limited manufacturer’s warranty, which covers manufacturing and material defects.Package includes: 1 - men’s 400g/m² merino wool thermal leggings. Men’s size options: S to 2XL. Exceptional customer care: if your meriwool men’s heavyweight baselayer bottoms 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.
More information #ad
Through the process of wicking, Merino wool is the most breathable fabric and absorbs moisture better than any other fibers. Wicking & odor resistance: merino wool’s natural wicking and odor-resistant properties keep you dry and comfortable while active in cold weather. Wicking refers to a fabric’s ability to pull moisture away from your body and keep you comfortable. 400g of warmth: upgrade from our most popular 250g midweight bottoms to our new 400g heavyweight bottoms! these interlock-knit merino wool thermal legging are perfect as base layer or mid layer for cold to freezing conditions; our warmest and thickest base layer yet! COMFORTABLE & CONVENIENT: Quick-drying pants with a UPF Rating 50+, working, playing sports, hiking, skiing, hunting, they feature a loop for hang drying while camping, or partaking in any outdoors activity. For best results: hand wash and lay flat to dry.
Brand | MERIWOOL #ad |
Manufacturer | MERIWOOL #ad |
More information #ad
6. Minus33 Merino Wool
#ad
Minus33 100% Merino Wool Base Layer 706 MidWeight Bottoms Black Large
#adMinus33 Merino Wool #ad - Quality midweight baselayer: 100% merino wool is super soft and extremely comfortable. Imported: as the legacy of a 100+ year old usa based woolen company, Minus33 knows quality and comfort in Merino Wool. Upf rating 50+. We see it all – from beautiful fall leaves, and everything else in between since we were kids.Outfitting anyone from the Hard-at-Work to the Hard-at-Play. Technical details: 100% 18. 5 micron merino wool 235 g/m2 interlock knit construction with flatlock seams.
More information #ad
This three season merino wool thermal bottom has the versatility and warmth to make this an essential part of your outdoor gear. Fall, dry, snowboarding, hunting, overlanding, camping, skiing, running, snowshoeing, ice fishing, winter, and spring. We’re new englanders, Minus33 has been a trusted brand since 2004. We’ve been hiking, skiing, snowy winters, camping, to colorful springs and summers. Wear these for anything: hiking, the activities are endless. Wear this base layer under your clothes for cold weather or just wear them by themselves to lounge around. Designed to keep you warm, and ready for hours of outdoor fun! We are committed to bringing you the best Merino Wool products at a reasonable price.
Brand | Minus33 Merino Wool #ad |
Manufacturer | Minus33 Merino Wool #ad |
Height | 11.42 Inches |
Length | 3.15 Inches |
Weight | 0.31 Pounds |
Width | 6.3 Inches |
Part Number | 47001108 |
Model | 706 |
More information #ad
7. MERIWOOL
#ad
MERIWOOL Men’s Base Layer Bottoms, Lightweight Merino Wool Thermal Pants Charcoal Gray
#adMERIWOOL #ad - Includes: 1 – 100% merino wool base layer thermal pants for men in charcoal gray. Travel light: great for guys on the go, our merino base layer simplifies travel! At just 190g, it even stays fresh with multiple wears, 100% Merino wool, it keeps your gear lightweight without taking up valuable space.Environmentally friendly: when you want luxury, you want meriwool! our 100% Merino wool base layer is a renewable fabric that’s gentle on the earth. For best results: hand wash and lay flat to dry. And since you won’t have to wash it as often as synthetic materials, you’ll even use less water.
More information #ad
Includes a 1-year limited manufacturer’s warranty, which covers manufacturing and material defects. Year-round versatility: thanks to a 16. 5 micron jersey knit, our merino wool underwear is the perfect base layer for warm or cool conditions! Soft and comfortable with no itch, you can wear them solo for indoor lounging or outdoors under any pants. Naturally odor-resistant, so you can pack less. Cool and comfortable: whether you’re camping, our wool base layer keeps you warm without restricting movement! Breathable and quick-drying, fishing or biking, it wicks sweat away from the skin, so you’re never weighed down by damp, sticky fabric. Exceptional customer care: if your meriwool men’s base layer bottoms do not perform to your satisfaction, return it to us within 90 DAYS along with your proof of purchase for a hassle-free refund, exchange, or replacement. Material: 16.
Brand | MERIWOOL #ad |
Manufacturer | MERIWOOL #ad |
Part Number | MO MEN-LEG190-L-CHGRY |
More information #ad
8. Carhartt
#ad
Carhartt Men's Force Heavyweight Thermal Base Layer Pant, Large, Burnt Olive Heather
#adCarhartt #ad - Concealed dry low-stitch waistband and contoured front for comfort. Poly-wool blend regulates temperature, fast dry wicks away sweat and fights odor.More information #ad
Strategic seam placement for maximum comfort and reduced chafing. Smooth flat lock seams and tagless label enhance comfort. Rugged flex technology for ease of movement.Brand | Carhartt #ad |
Manufacturer | Carhartt #ad |
Weight | 0.45 Pounds |
Part Number | MBL121-343-L |
Model | MBL121-BOLHTR-L |
More information #ad
9. Icebreaker Merino
#ad
Medium, Black, Icebreaker Merino Men's Standard 175 Everyday Cold Weather Leggings-Wool Base Layer Thermal Pants
#adIcebreaker Merino #ad - Icebreaker longevity: we use 85% merino wool & timeless clothing our natural alternative to synthetics enhances the relationship between people & less synthetic material than the traditional outdoor standard. Men's leggings: wool men's base layer slim fit leggings feature brushed elastic waistband for a comfortable fit & flat-lock seams to reduce chafing.Keep covered in wool gloves, wool base layers such as tops, glove liners, leggings, under shirts, bras, mittens, bras, underwear & more.
More information #ad
Merino wool layers: stay warm from head to toe in icebreaker outdoor clothing gear. Crafted of 100% merino wool. Wool & children - keeping the whole family covered in jackets, Icebreaker provides clothes for men, sweaters, camping, beanies, pants, scarves, hiking or daily wear, underwear & casual: whether skiing, leggings, women & more wool clothing. With multi-purpose & nature. Insulated, breathable & odor resistant for long days & nights of hiking & camping. Wool leggings for men: these second skin wool leggings with fly are the perfect foundation for your everyday cold-weather layering system.
Brand | Icebreaker Merino #ad |
Manufacturer | Icebreaker Merino #ad |
Height | 2 Inches |
Length | 11 Inches |
Weight | 0.5 Pounds |
Width | 7 Inches |
Part Number | 104510 |
Model | 104510 |
More information #ad
10. LAPASA
#ad
M31, Medium, Mens Thermal Underwear Top and Bottom, Black, Winter Ski and Hunting Gear, Lightweight, 100% Merino Wool Shirt and Pants, LAPASA Merino Wool Base Layer for Men
#adLAPASA #ad - Whether you're camping, snowboarding, or just taking it easy, this comfy thermal has got you covered. The 18. 5 micron merino wool fibers are soft and smooth without the itch of traditional wool. Uv protection: the upf 50+ rating fabric blocks 98% of the sun's UV rays to keep you safely covered and prevent sunburns.Stays fresh: these moisture-wicking and odor-resistant merino base layer tops have natural hygienic properties to keep you fresh even after extended use during your travels.
More information #ad
Merino benefits: the breathable interlock knit merino wool is perfect for maintaining thermal comfort to keep you cool when it's hot, and warm when it's cold so you can stay comfortable in any season. Our 100% natural australian merino wool is ethically sourced from non-mulesed sheep. Light comfort: merino wool's excellent warmth to weight ratio is ideal when packing light for your travels. It goes where you go: the durable 4-way stretch rib knit hem and snug fit will flex, working out, hiking, working, conform, and move with your body to maintain range of motion and comfort.
Brand | LAPASA #ad |
Height | 11.81 Inches |
Length | 8.27 Inches |
Width | 1.57 Inches |
Model | M31 |
More information #ad