20 Best Merino Wool Underwear Review [2024]

Are you looking for the best merino wool underwear review? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling merino wool underwear review.

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1 LAPASA Women’s 100% Merino Wool Base Layer Shirt & Pants Set Thermal Underwear 1. Lightweight... LAPASA Women’s 100% Merino Wool Base Layer Shirt & Pants Set Thermal Underwear 1. Lightweight...
2 MERIWOOL Mens Boxer Briefs Merino Wool Underwear Base Layer for Men MERIWOOL Mens Boxer Briefs Merino Wool Underwear Base Layer for Men
3 Merino.tech Merino Wool Base Layer Womens Pants Merino Wool Leggings + Socks (Medium, Black) Merino.tech Merino Wool Base Layer Womens Pants Merino Wool Leggings + Socks (Medium, Black)
4 MERIWOOL Mens Base Layer 100% Merino Wool Heavyweight 400g Thermal Pants Black MERIWOOL Mens Base Layer 100% Merino Wool Heavyweight 400g Thermal Pants Black
5 Naturwool Men's 100% Merino Wool John Set Thermal Underwear Base Layer Top and Bottom Naturwool Men's 100% Merino Wool John Set Thermal Underwear Base Layer Top and Bottom
6 Minus33 100% Merino Wool Base Layer 706 MidWeight Bottoms Black Large Minus33 100% Merino Wool Base Layer 706 MidWeight Bottoms Black Large
7 MERIWOOL Mens Base Layer - 100% Merino Wool Midweight Long Sleeve Thermal Shirt MERIWOOL Mens Base Layer - 100% Merino Wool Midweight Long Sleeve Thermal Shirt
8 MERIWOOL Mens Base Layer 100% Merino Wool Thermal Pants Charcoal Gray MERIWOOL Mens Base Layer 100% Merino Wool Thermal Pants Charcoal Gray
9 Icebreaker Merino Men's Anatomica Briefs , Black/Monsoon, Medium Icebreaker Merino Men's Anatomica Briefs , Black/Monsoon, Medium
10 Minus33 100% Merino Wool Base Layer 803 Women's MidWeight Bottoms Black Medium Minus33 100% Merino Wool Base Layer 803 Women's MidWeight Bottoms Black Medium
11 Rocky Thermal Underwear for Men (Thermal Long Johns Set) Shirt & Pants, Base Layer... Rocky Thermal Underwear for Men (Thermal Long Johns Set) Shirt & Pants, Base Layer...
12 ColdPruf Authentic Dual Layer Wool Plus Blend Base Layer, Thermal Underwear for Men, Vintage Navy,... ColdPruf Authentic Dual Layer Wool Plus Blend Base Layer, Thermal Underwear for Men, Vintage...
13 Rocky Thermal Underwear for Girls (Thermal Long Johns Set) Shirt & Pants, Base Layer... Rocky Thermal Underwear for Girls (Thermal Long Johns Set) Shirt & Pants, Base Layer...
14 Merino Wool Men's Base Layer Pants — 100% Organic Wool Midweight Thermal Pants + Hiking Wool Socks... Merino Wool Men's Base Layer Pants — 100% Organic Wool Midweight Thermal Pants + Hiking Wool...
15 Woolly Clothing Women's Merino Wool Thong Brief - Ultralight - Wicking Breathable Anti-Odor L BLK Woolly Clothing Women's Merino Wool Thong Brief - Ultralight - Wicking Breathable Anti-Odor L BLK
16 Minus33 Merino Wool 709 Katmai Men's Expedition Bottom Black XL Minus33 Merino Wool 709 Katmai Men's Expedition Bottom Black XL
17 MERIWOOL Womens Base Layer 100% Merino Wool Midweight Long Sleeve Thermal Shirt Charcoal Gray MERIWOOL Womens Base Layer 100% Merino Wool Midweight Long Sleeve Thermal Shirt Charcoal Gray
18 Merino.tech Merino Wool Underwear Mens - 100% Merino Boxer Wool Briefs Base Layer for Men (X-Large,... Merino.tech Merino Wool Underwear Mens - 100% Merino Boxer Wool Briefs Base Layer for Men...
19 Smartwool SW017342084M Men's Merino Sport 150 Boxer Brief Boxed Medium Gray Heather M Smartwool SW017342084M Men's Merino Sport 150 Boxer Brief Boxed Medium Gray Heather M
20 MERIWOOL Womens Merino Wool Base Layer Thermal Pants Black MERIWOOL Womens Merino Wool Base Layer Thermal Pants Black
Bestseller No. 1
LAPASA Women’s 100% Merino Wool Base Layer Shirt & Pants Set Thermal Underwear 1. Lightweight...
  • 【100% MERINO WOOL】LAPASA uses a 150~200g/m² interlock knit Merino wool to ensure that this thermal will be your choice in cool weather. These...
  • 【COMFORTABLY WARM】One of the benefits of Merino wool is that the material provides effective insulation while maintaining breathability to keep...
  • 【IT GOES WHERE YOU GO】The durable 4-way will give you flexibility, comfort, and move with your body to maintain range of motion and comfort....
  • 【STAYS FRESH】Whatever the season, this light thermal will be a solid choice in your wardrobe as the Merino wool has naturally hygienic properties...
  • 【LIGHT/MID-WEIGHT】The excellent warmth to weight ratio of this thermal make for an ideal choice while traveling and packing when you want some...
Bestseller No. 2
MERIWOOL Mens Boxer Briefs Merino Wool Underwear Base Layer for Men
  • Package Includes: 1 – Men’s 100% merino wool boxer brief pair in Charcoal Gray
  • SUPER SOFT: 100% all-natural ultrafine 17.5-micron Merino wool has silky-smooth fineness for maximum gentleness on your skin. COMFORTABLE &...
  • BREATHABLE: Keeping you cool in summer and warm in winter, 160g/m2 weight interlock-knit Merino wool boxer briefs fit snuggly and provide gentle...
  • WICKING & ODOR RESISTANCE: Merino wool’s natural wicking and odor-resistant properties keep you dry and comfortable while active in cold weather....
  • EXCEPTIONAL CUSTOMER CARE: If your MERIWOOL Men’s Merino Wool Briefs aren’t to your satisfaction, return it to us within 90 DAYS along with...
Bestseller No. 3
Merino.tech Merino Wool Base Layer Womens Pants Merino Wool Leggings + Socks (Medium, Black)
  • FREE MERINO WOOL HIKING SOCKS ($21 VALUE!) – Package includes Merino Wool Base Layer Women Wool Leggings Midweight 250 g/m² + Merino Wool Hiking...
  • SUPER SOFT & COMFORTABLE – 100% Superfine 18.5 Micron Womens Merino Wool Pants provide all day comfort and no itch! Designed for daily wear without...
  • MOISTURE WICKING & ODOR RESISTANT – Merino Womens Wool Pants natural wicking and odor-resistant properties allow it to absorb moisture better than...
  • EASY CARE – Washer/dryer safe. For longer lasting wear, hand wash and lay flat to air dry. Wool thermal womens naturally regulates body temperature...
  • LIFETIME WARRANTY – All Merino.tech Products are covered by our LIFETIME WARRANTY. If your womens wool long underwear does not perform to your...
Bestseller No. 4
MERIWOOL Mens Base Layer 100% Merino Wool Heavyweight 400g Thermal Pants Black
  • Package Includes: 1 - Men’s 400g/m² merino wool thermal underwear leggings – Choose size & color
  • SUPER SOFT: 100% all natural superfine 18.5-micron Merino wool ensures comfort all day long – no itch! EASY CARE: Your thermal pants are...
  • 400g OF WARMTH: Upgrade from our most popular 250g midweight bottoms to our new 400g heavyweight bottoms! These interlock-knit Merino Wool thermal...
  • WICKING & ODOR RESISTANCE: Merino wool’s natural wicking and odor-resistant properties keep you dry and comfortable while active in cold weather....
  • EXCEPTIONAL CUSTOMER CARE: If your MERIWOOL Men’s Heavyweight Baselayer Bottoms don’t perform to your satisfaction, return it to us within 30 DAYS...
Bestseller No. 5
Naturwool Men's 100% Merino Wool John Set Thermal Underwear Base Layer Top and Bottom
  • 100% all natural superfine 18.5-micron Merino wool base layer T-shirt and leggings set.
  • Performance thermal underwear set. Durable Merino fabric for everyday wear. Keeping you warm in winter.
  • Merino wool’s base layer t-shirt and leggings set odor-resistant properties and breathable natural wicking keep you skin dry and comfortable while...
  • The best in easy care technology means your wool thermal set is machine washable and dryable. Do not use softeners. Fasten all closures to wash and...
  • CHARACTER: Merino wool is super lightweight, soft, non-itchy, non-clammy, warm in the cold and cool in the heat, and has a miraculous ability to...
Bestseller No. 6
Minus33 100% Merino Wool Base Layer 706 MidWeight Bottoms Black Large
  • QUALITY MIDWEIGHT BASELAYER: 100% Merino Wool is super soft and extremely comfortable. This three season merino wool thermal bottom has the...
  • WEAR THESE FOR ANYTHING: Hiking, running, camping, overlanding, hunting, ice fishing, skiing, snowboarding, snowshoeing, the activities are endless....
  • EXPERIENCED BRAND: Although there are many copy-cats on the market today, Minus33 has been a trusted brand since 2004. We see it all – from...
  • TECHNICAL DETAILS: 100% 18.5 Micron Merino Wool 235 g/m2 Interlock knit construction with flatlock seams. Garment Weight Size Large = 9.6 oz. (272...
  • IMPORTED: As the legacy of a 100+ year old USA based woolen company, Minus33 knows quality and comfort in Merino Wool. We are committed to bringing...
Bestseller No. 7
MERIWOOL Mens Base Layer - 100% Merino Wool Midweight Long Sleeve Thermal Shirt
  • Package Includes: 1 - Men’s 250g/m² merino wool thermal crewneck top
  • SUPER SOFT: 100% all natural superfine 18.5-micron Merino wool ensures comfort all day – no itch! EASY CARE: Mid-weight long sleeve crew top shirt...
  • BREATHABLE: Keeping you cool in summer and warm in winter, 250g/m2 weight interlock-knit Merino wool can be used as a base layer or mid-layer, but...
  • WICKING & ODOR RESISTANCE: Merino wool’s natural wicking and odor-resistant properties keep you dry and comfortable while active in cold weather....
  • EXCEPTIONAL CUSTOMER CARE: If your MERIWOOL Men’s Crew Top doesn’t perform to your satisfaction, return it to us within 30 DAYS along with...
Bestseller No. 8
MERIWOOL Mens Base Layer 100% Merino Wool Thermal Pants Charcoal Gray
  • 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...
  • 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...
  • WICKING & ODOR RESISTANCE: Merino wool’s natural wicking and odor-resistant properties keep you dry and comfortable while active in cold weather....
  • 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...
SaleBestseller No. 9
Icebreaker Merino Men's Anatomica Briefs , Black/Monsoon, Medium
  • SLIM FIT WOOL BRIEFS: Built with a super-soft, stretchy and highly durable merino wool blend, and outfitted with the support and comfort you need for...
  • WOOL UNDERWEAR FOR MEN: Features corespun fabric with nylon & elastane for next to skin softness. Flatlock seems eliminate chafing. 83% merino wool,...
  • MERINO WOOL LAYERS: Stay warm from head to toe in Icebreaker outdoor clothing gear. Keep covered in wool gloves, glove liners, mittens, bras, wool...
  • WOOL & CASUAL: Whether skiing, camping, hiking or daily wear, Icebreaker provides clothes for men, women & children - keeping the whole family covered...
  • ICEBREAKER LONGEVITY: We use 85% merino wool & less synthetic material than the traditional outdoor standard. With multi-purpose & timeless clothing...
Bestseller No. 10
Minus33 100% Merino Wool Base Layer 803 Women's MidWeight Bottoms Black Medium
  • QUALITY MIDWEIGHT BASELAYER: 100% Merino Wool is super soft and extremely comfortable. This three season merino wool thermal bottom has the...
  • CRAFTED TO FIT: Sizes XS to 3XL in a regular fit. Minus33 offers a great size selection. Outfitting anyone from the Hard-at-Work to the Hard-at-Play.
  • EXPERIENCED BRAND: Although there are many copy-cats on the market today, Minus33 has been a trusted brand since 2004.
  • IMPORTED: As the legacy of a 100+ year old USA based woolen company, Minus33 knows quality and comfort in Merino Wool. We are committed to bringing...
  • TECHNICAL DETAILS: 100% 18.5 Micron Merino Wool 230 g/m2 Interlock knit construction with flatlock seams. Garment Weight Size Medium = 8 oz. (227...
Bestseller No. 11
Rocky Thermal Underwear for Men (Thermal Long Johns Set) Shirt & Pants, Base Layer...
  • KEEP WARM (WITHOUT THE SWEATY MESS): Happy Customers say the unique breathable, moisture-wicking fibers on Rocky thermal underwear keeps them warm,...
  • NO MORE OLD-SCHOOL SCRATCHY INSULATED UNDERWEAR: Traditional cotton long underwear are simply scratchy and uncomfortable to wear for long periods of...
  • FLEECE-LINED COMFORT (WITHOUT THE BULK): Don’t let the lightweight fabric fool you, thanks to the fleece-lined design, this thermal underwear set...
  • 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...
  • MACHINE WASHABLE FOR EASY CLEANUP: While cheap Thermal Underwear unravel in the washing machine after only a few cycles, Rocky uses high-quality...
SaleBestseller No. 12
ColdPruf Authentic Dual Layer Wool Plus Blend Base Layer, Thermal Underwear for Men, Vintage Navy,...
  • Comfortable Base Layer: Our men's long underwear features dual-layer engineering with Merino Wool fabric that traps body heat between the layers to...
  • Efficient Design: Our men's thermal underwear features convenient gussets and a comfortable non-itch waistband with a functioning front fly that...
  • Regular Fit: Our men窶冱 long underwear boasts a tagless design and flat seams for a smooth, ultra-comfortable fit; Front and back rise feature true...
  • Cold Weather Apparel: Our men窶冱 long johns allow for minimal layering in extreme cold conditions during low- to medium-exertion activities;...
  • Multi-Purpose Coverage: These ColdPruf Long johns for men sit at the natural waistline with a front and back rise that provides an exceptionally...
Bestseller No. 14
Merino Wool Men's Base Layer Pants — 100% Organic Wool Midweight Thermal Pants + Hiking Wool Socks...
  • MIDWEIGHT – Mens Merino Base Layer Available in: Lightweight = 165 g/m², Midweight = 250 g/m²,  Heavyweight = 320 g/m². FREE MERINO WOOL HIKING...
  • SUPER SOFT & COMFORTABLE – 100% Superfine 18.5 Micron Merino Wool Underwear Mens provide all day comfort and no itch! Designed for daily wear...
  • MOISTURE WICKING & ODOR RESISTANT – Merino Baselayer Men natural wicking and odor-resistant properties allow it to absorb moisture better than any...
  • EASY CARE – Washer/dryer safe. For longer lasting wear, hand wash and air dry. Midweight Merino Wool Base Layer Mens naturally regulates body...
  • LIFETIME WARRANTY – All Merino.tech Products are covered by our LIFETIME WARRANTY. If your merino pants do not perform to your satisfaction, return...
Bestseller No. 15
Woolly Clothing Women's Merino Wool Thong Brief - Ultralight - Wicking Breathable Anti-Odor L BLK
  • [ ULTRALIGHT THONG BRIEF ] Flatlock seams, tagless interior, soft elastic jacquard. Merino / elastane construction for extra stretch, odor resistance,...
  • [ MODERN FIT FOR DAILY WEAR ] Hiking, work, the gym, or the farmer's market. These are good to for any situation you can throw at them.
  • [ PICTURED MODEL STATS ] 5'9'' // 127 lbs // 25'' waist // 35'' hips. Wearing size small.
  • [ MERINO PERFORMANCE FOUNDATION LIFESTYLE WEAR ] Woolly pairs the nature proven benefits of merino with classic everyday styles that work anywhere....
  • [ BACKED BY THE WOOLLY PROMISE ] We like to keep things simple. If you are ever dissatisfied with our gear, at any time, just give us a shout and...
Bestseller No. 16
Minus33 Merino Wool 709 Katmai Men's Expedition Bottom Black XL
  • QUALITY EXPEDITION BASELAYER: 100% Merino Wool is super soft and extremely comfortable. This merino wool thermal bottom has the versatility and warmth...
  • CRAFTED TO FIT: Sizes XS to 3XL and Tall Sizes M-Tall to XL-Tall. Minus33 offers a large size selection in a regular fit. Outfitting anyone from the...
  • EXPERIENCED BRAND: Although there are many copy-cats on the market today, Minus33 has been a trusted brand since 2004.
  • IMPORTED: As the legacy of a 100+ year old USA based woolen company, Minus33 knows quality and comfort in Merino Wool. We are committed to bringing...
  • TECHNICAL DETAILS: 100% 18.5 Micron Merino Wool 400 g/m2 Interlock knit construction with flatlock seams. Garment Weight Size Large = 14.4 oz. (408...
Bestseller No. 17
MERIWOOL Womens Base Layer 100% Merino Wool Midweight Long Sleeve Thermal Shirt Charcoal Gray
  • Package Includes: 1 - Women’s 250g/m² merino wool thermal crewneck top
  • SUPER SOFT: 100% all natural superfine 18.5-micron Merino wool ensures comfort all day long - no itch! COMFORTABLE & CONVENIENT: Quick-drying shirt...
  • BREATHABLE: Keeping you cool in summer and warm in winter, 250g/m2 weight interlock-knit Merino wool can be used as a base layer or mid-layer. EASY...
  • WICKING & ODOR RESISTANCE: Merino wool’s natural wicking and odor-resistant properties keep you dry and comfortable while active in cold weather....
  • EXCEPTIONAL CUSTOMER CARE: If your MERIWOOL Women’s Crew Top doesn't perform to your satisfaction, return it to us within 30 DAYS with proof of...
Bestseller No. 18
Merino.tech Merino Wool Underwear Mens - 100% Merino Boxer Wool Briefs Base Layer for Men (X-Large,...
  • LIGHTWEIGHT – 100% Superfine 18.5 Micron Merino wool underwear for men provide all day comfort and no itch! Designed for daily wear without rubbing...
  • BREATHABLE: Keeping you cool in summer and warm in winter, these merino boxer briefs fit snuggly and provide gentle support. Great to use with winter...
  • MOISTURE WICKING & ODOR RESISTANT – Merino mens boxer briefs natural wicking and odor-resistant properties allow it to absorb moisture better than...
  • EASY CARE – Wash on Delicate Cycle. For longer lasting wear hand wash and air dry. Lightweight merino wool underwear naturally regulates body...
  • LIFETIME WARRANTY – All Merino.tech Products are covered by our LIFETIME WARRANTY. If your merino briefs do not perform to your satisfaction, return...
Bestseller No. 19
Smartwool SW017342084M Men's Merino Sport 150 Boxer Brief Boxed Medium Gray Heather M
  • Odor-resistant
  • Temperature regulating
  • Will help keep you cool when your intensity amps up, and its design helps minimize chafing
Bestseller No. 20
MERIWOOL Womens Merino Wool Base Layer Thermal Pants Black
  • Package Includes: 1 - Women’s 250g/m² merino wool thermal leggings - Extra Small Black
  • SUPER SOFT: 100% all natural superfine 18.5-micron Merino wool ensures comfort all day long – no itch! COMFORTABLE & CONVENIENT: Quick-drying...
  • BREATHABLE: Keeping you cool in summer and warm in winter, MERIWOOL’s 250g/m2 weight inter-lock knit Merino wool can be used as a base layer or...
  • WICKING & ODOR RESISTANCE: Merino wool’s natural wicking and odor-resistant properties keep you dry and comfortable while active in cold weather....
  • EXCEPTIONAL CUSTOMER CARE: If your MERIWOOL Women’s Leggings don’t perform to your satisfaction, return it to us within 30 DAYS along with proof...

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FAQ:

Q: What makes merino wool so good?

A: The origins of Merino wool. The name Merino comes from the Merino sheep (or simply: the Merino),a breed of sheep with fine wool. Unique characteristics. … A clear conscience. … Taking care of the wool. …

Q: What is best merino wool or pure new wool?

A: Seams. The first feature to pay attention to when hunting for the best merino wool base layer is the seaming of the product. Anti-Odor. Another key feature to be aware of before purchasing the best merino wool base layer is whether it includes an anti-odor component. Durability. … The Fit. …

Q: What is the difference between Smartwool and merino wool?

A: Overview and Key Difference What is Wool What is Merino Wool Side by Side Comparison – Wool vs Merino Wool in Tabular Form Summary

Q: Can merino wool be worn comfortably next to the skin?

A: Yes Merino wool is very comfortable next to the skin. It does not itch unless you have an allergy to wool. Wool garments are made of the sheep’s hair into a yarn and are very absorbant. And what’s cool is that wool will still keep you warm after it gets wet.