Top 10 Merino Wool Base Layer Mens Heavyweight – Outdoor Recreation Features

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1. Minus33 Merino Wool

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Minus33 Merino Wool 707 Yukon Men's Expedition Crew Black Large

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Minus33 Merino Wool #ad - Crafted to fit: sizes xs to 3xl and tall sizes m-tall to xl-tall. We are committed to bringing you the best Merino Wool products at a reasonable price. Garment weight Size Large = 17 oz. 482 grams. Its moisture wicking properties means you won’t have to wash it as often so you’ll use even less water.

Quality expedition baselayer: 100% merino wool is super soft and extremely comfortable. Technical details: 100% 18. 5 micron merino wool 400 g/m2 interlock knit construction with flatlock seams. Outfitting anyone from the Hard-at-Work to the Hard-at-Play. Minus33 offers a large size selection in a regular fit. Environmentally friendly: The best in easy care technology means your merino wool is machine washable and dryable.

Experienced brand: although there are many copy-cats on the market today, Minus33 has been a trusted brand since 2004. This merino wool crew neck thermal has the versatility and warmth to make this an essential part of your outdoor gear. Imported: as the legacy of a 100+ year old usa based woolen company, Minus33 knows quality and comfort in Merino Wool. Our 100% merino Wool is a renewable fabric. Upf rating 50+.
BrandMinus33 Merino Wool #ad
ManufacturerMinus33 Merino Wool #ad
Height3 Inches
Length9.5 Inches
Weight0.96 Pounds
Width6.3 Inches
Part Number707L
Model707L

2. MERIWOOL

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100% Merino Wool Midweight Long Sleeve Thermal Shirt Charcoal Gray, MERIWOOL Mens Base Layer

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MERIWOOL #ad - Washer/dryer safe. For best results: hand wash and lay flat to dry. 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 proof of purchase for a hassle-free refund, or replacement. Includes a 1-year limited manufacturer’s warranty, exchange,  which covers manufacturing and material defects.

Men’s size options: XS to 3XL. 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. 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 is machine-washable and dryer-safe, so it’s ready when you are for your next adventure.

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 won’t weigh you down. Easy care: mid-weight long sleeve crew top shirt is machine-washable on cold setting and safe to tumble dry on low heat, so it’s ready when you are for your next adventure. Wicking refers to a fabric’s ability to pull moisture away from your body and keep you comfortable.
BrandMERIWOOL #ad
ManufacturerMERIWOOL #ad
Weight0.71 Pounds
Part NumberLYSB01N985IZ3-SPRTSEQIP

3. MERIWOOL

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MERIWOOL Mens Base Layer 100% Merino Wool Heavyweight 400g Thermal Pants Black

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MERIWOOL #ad - Exceptional customer care: if your meriwool men’s heavyweight baselayer bottoms don’t perform to your satisfaction, or replacement. Wicking & odor resistance: merino wool’s natural wicking and odor-resistant properties keep you dry and comfortable while active in cold weather. 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+, hiking, skiing, playing sports, working, they feature a loop for hang drying while camping, hunting, or partaking in any outdoors activity.

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, exchange, return it to us within 30 DAYS with proof of purchase for a hassle-free refund, which covers manufacturing and material defects. Men’s size options: S to 2XL. For best results: hand wash and lay flat to dry. 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.
BrandMERIWOOL #ad
ManufacturerMERIWOOL #ad

4. LAPASA

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Mens Thermal Underwear Top and Bottom, 100% Merino Wool Shirt and Pants, Large, Winter Ski and Hunting Gear, Dark Grey, Lightweight, LAPASA Merino Wool Base Layer for Men, M31

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LAPASA #ad - The 18. 5 micron merino wool fibers are soft and smooth without the itch of traditional wool. Light comfort: merino wool's excellent warmth to weight ratio is ideal when packing light for your travels. 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, hiking, snowboarding, conform, working out, working, or just taking it easy, and move with your body to maintain range of motion and comfort. Uv protection: the upf 50+ rating fabric blocks 98% of the sun's UV rays to keep you safely covered and prevent sunburns. 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.

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. Whether you're camping, this comfy thermal has got you covered.
BrandLAPASA #ad
Height11.81 Inches
Length8.27 Inches
Width1.57 Inches
ModelM31

5. SITKA Gear

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SITKA Gear Merino Heavyweight Bottom Optifade Elevated II Large

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SITKA Gear #ad - Merino core heavyweight bottoms – available in sizes small, x-large, medium, large, 2x-large, and 3x-large. Comfort and concealment – with the same benefits as the merino core-Zip T, the Merino Bottoms make a perfect base layer from a snowy grind in the Rockies to a frigid Midwest stand.

Next to skin layer – perfect for static hunts in cold weather, with a body-mapped grid fleece backer that retains warmth while actively moving moisture away from the skin. Available colors: Elevated II and Marsh. Check out our storefront to view our complete line up of industry leading products.

Permanent polygiene odor control – this all new technology neutralizes odor by stopping the growth of odor-causing bacteria and fungi ensuring that you maximize your concealment in even the worst conditions. Sitka gear – we pride ourselves on providing the highest quality apparel that ensures you’re prepared to tackle any obstacle, in any element, under any condition.
BrandSITKA Gear #ad
ManufacturerSITKA Gear #ad
Height2 Inches
Length13 Inches
Weight0.62 Pounds
Width10 Inches
Part Number10073-EV-L
Model10073

6. MERIWOOL

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MERIWOOL Mens Base Layer 100% Merino Wool Thermal Pants Black

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MERIWOOL #ad - Package includes: 1 - men’s 250g/m² merino wool thermal leggings. For best results: hand wash and lay flat to dry. Comfortable & convenient: quick-drying pants feature a loop for hang drying while camping, hunting, MERIWOOL’s 250g/m2 weight interlock-knit Merino wool can be used as a base layer or mid-layer, hiking, working, skiing, or partaking in any outdoors activity.

Breathable: keeping you cool in summer and warm in winter, playing sports, but won’t weigh you down. Includes a 1-year limited manufacturer’s warranty, return it to us within 30 DAYS with proof of purchase for a hassle-free refund, exchange, which covers manufacturing and material defects. Men’s size options: XS to 3XL. Exceptional customer care: if your meriwool men’s leggings don’t perform to your satisfaction, or replacement. Wicking refers to a fabric’s ability to pull moisture away from your body and keep you comfortable.

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. 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.
BrandMERIWOOL #ad
ManufacturerMERIWOOL #ad
Part NumberEM MW-M-LEG250-M-BLK

7. Carhartt

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Burnt Olive Heather, Medium, Carhartt Men's Force Tech Quarter-Zip Thermal Base Layer Long Sleeve Shirt

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Carhartt #ad - Concealed thumb loops. Fast dry wicks away sweat and rugged flex technology for ease of movement. Mock-neck collar with quarter length zipper and convenient zip pocket on chest. Smooth flat lock seams and tagless label enhance comfort. Fights odor.
BrandCarhartt #ad
ManufacturerCarhartt #ad
Weight0.65 Pounds
Part NumberMBL120-343-M
ModelMBL120-BOLHTR-M

8. Merino.tech

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Mens 100% Merino Wool Long Sleeve Thermal Shirts Midweight + Wool Hiking Socks X-Large, Black 250, Merino.tech Merino Wool Base Layer

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Merino.tech #ad - For longer lasting wear, hand wash and lay flat to air dry. Moisture wicking – merino base layer mens natural wicking properties allow it to absorb moisture better than any other fabric, keeping you dry and fresh.

Easy care – washer/dryer safe. Super soft & comfortable – 100% superfine 18. 5 micron merino wool mens base Layer provides all day comfort and no itch! Designed for daily wear without rubbing, overheating, or bunching of regular cotton. Lifetime warranty – all merino. Tech products are covered by our lifetime warranty. Mens wool baselayer naturally regulates body temperature to keep you comfortable all year round.

If your merino. Tech mens merino wool base layer does not perform to your satisfaction, return it within 60 DAYS for a hassle-free refund, exchange, or replacement. Midweight – mens merino base layer available in: lightweight = 165 g/m², Midweight = 230-250 g/m², Heavyweight = 320+ g/m².
BrandMerino.tech #ad

9. Carhartt

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Black Heather, Carhartt Men's Size Force Heavyweight Thermal Base Layer Long Sleeve Pocket Shirt, X-Large Tall

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Carhartt #ad - Fights odor. Convenient zip pocket on chest and concealed thumb loops. Stay warm with temperature-regulating wool-polyester blend. Fast dry wicks away sweat and rugged flex technology for ease of movement. Smooth flat lock seams and tag less label enhance comfort.
BrandCarhartt #ad
ManufacturerCarhartt #ad
Weight0.45 Pounds
Part NumberMBL119T-027-XL
ModelMBL119T-BLKHTR-XL

10. Carhartt

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Carhartt Men's Force Heavyweight Thermal Base Layer Pant, Large, Burnt Olive Heather

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Carhartt #ad - Concealed dry low-stitch waistband and contoured front for comfort. Strategic seam placement for maximum comfort and reduced chafing. Rugged flex technology for ease of movement. Smooth flat lock seams and tagless label enhance comfort. Poly-wool blend regulates temperature, fast dry wicks away sweat and fights odor.
BrandCarhartt #ad
ManufacturerCarhartt #ad
Weight0.45 Pounds
Part NumberMBL121-343-L
ModelMBL121-BOLHTR-L