Top 10 Icebreaker Base Layer Mens – Men’s Thermal Underwear Tops

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1. Icebreaker Merino

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Icebreaker Merino Men's Standard 175 Everyday Cold Weather Base Layer Thermal Long Sleeve Crewneck T-Shirt, X-Large Grey

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Icebreaker 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 wool base layers: highly breathable & adventure.

Quick-drying, & versatile crew neck shirt is perfect for backpacking, climbing, hiking & odor-resistant, & perfect for layering. This wool base layer is crafted of 100% merino wool. Wool & casual: whether skiing, women & children - keeping the family covered in jackets, pants, beanies, scarves, sweaters, hiking or daily wear, leggings, camping, Ice Breaker provides clothes for men, underwear & more wool clothing.

Wool lightweight shirt: this wool tee for men has offset shoulder seems to reduce chafing when traveling. Merino wool layers: stay warm from head to toe in icebreaker outdoor clothing gear. Keep covered in wool gloves, wool base layers such as tops, bras, under shirts, bras, mittens, leggings, glove liners, underwear & more. With multi-purpose & nature.
BrandIcebreaker Merino #ad
ManufacturerIcebreaker Merino #ad
Weight0 Pounds
Part Number104483004XL
Model104483

2. Icebreaker Merino

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Icebreaker Merino Men's 200 Oasis Long Sleeve Crewe, Black, L

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Icebreaker Merino #ad - Machine wash. Drop tail hem for added coverage. Updated design. Imported. 100% merino wool. Flatlock seams prevent chafing. Sport type: outdoor Lifestyle; Fit type: Slim Fit. Underarm gusset for comfort and mobility. Offset shoulder seams prevent pack rub. Weave type: Woven.
BrandIcebreaker Merino #ad
ManufacturerIcebreaker Merino #ad
Height2 Inches
Length11 Inches
Weight0.55 Pounds
Width7 Inches
Part Number104365001L-001-L
Model104365

3. Icebreaker Merino

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Icebreaker Merino Men's Standard 175 Everyday Cold Weather Leggings-Wool Base Layer Thermal Pants, Black, Medium

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Icebreaker Merino #ad - Wool & children - keeping the whole family covered in jackets, leggings, pants, sweaters, underwear & CASUAL: Whether skiing, beanies, hiking or daily wear, scarves, camping, Icebreaker provides clothes for men, women & more wool clothing.

Keep covered in wool gloves, leggings, glove liners, mittens, bras, under shirts, bras, wool base layers such as tops, underwear & more. Merino wool layers: stay warm from head to toe in icebreaker outdoor clothing gear. 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. Crafted of 100% merino wool. 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. 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. With multi-purpose & nature.
BrandIcebreaker Merino #ad
ManufacturerIcebreaker Merino #ad
Height2 Inches
Length11 Inches
Weight0.5 Pounds
Width7 Inches
Part Number104510
Model104510

4. Icebreaker Merino

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Black, Icebreaker Merino Men's Mens 200 Oasis Leggings W Fly, XXL

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Icebreaker Merino #ad - Wool & children - keeping the whole family covered in jackets, pants, leggings, beanies, camping, Icebreaker provides clothes for men, hiking or daily wear, underwear & CASUAL: Whether skiing, sweaters, scarves, women & more wool clothing.

Insulated, breathable & nights of hiking & odor resistant for long days & camping. Keep covered in wool gloves, glove liners, wool base layers such as tops, mittens, bras, leggings, under shirts, bras, underwear & more. Wool leggings for men: these second skin wool leggings with fly are the perfect foundation for your everyday cold-weather layering system. Icebreaker longevity: we use 85% merino wool & less synthetic material than the traditional outdoor standard.

With multi-purpose & timeless clothing our natural alternative to synthetics enhances the relationship between people & nature. Merino wool layers: stay warm from head to toe in icebreaker outdoor clothing gear. Crafted of 100% merino wool. 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.
BrandIcebreaker Merino #ad
ManufacturerIcebreaker Merino #ad
Height1.97 Inches
Length11.81 Inches
Weight0.46 Pounds
Width7.87 Inches
Part Number104370001XXL-001-XXL
Model104370

5. Icebreaker

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Men's Jet Heather/Black, L, ICEBREAKER 260 Zone Long-Sleeve Crew Top

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Icebreaker #ad - Material: body 97% merino wool, 1% elastane, eyelet 98% merino wool, 3% elastane panels 100% merino wool, 1% nylon. Responsible Collection: Responsibly Sourced. Insulation Weight: heavyweight. Fit: slim. Style: crew.
BrandIcebreaker #ad
ManufacturerIcebreaker #ad
Height2 Inches
Length12 Inches
Weight0.8 Pounds
Width7 Inches
Part Number104360A01
ModelIcebreaker

6. Icebreaker Merino

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Icebreaker Merino Men's 200 Oasis Long Sleeve Half Zip, M, Black

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Icebreaker Merino #ad - Wool & casual: whether skiing, beanies, sweaters, scarves, icebreaker provides clothes for men, hiking or daily wear, pants, camping, women & children - keeping the whole family covered in jackets, leggings, underwear & more wool clothing.

Wool half zip for men: this half zip long sleeve top for men fits effortlessly under mid & outer layer pieces for the ultimate cool weather adventure. With multi-purpose & nature. Wool lightweight shirt: this wool top for men has flatlock seams to prevent chafing & underarm gusset for comfort & mobility. The odor resistant and comfortably worn top helps regulate your temperature. Keep covered in wool gloves, mittens, leggings, wool base layers such as tops, bras, bras, glove liners, under shirts, underwear & more.

Merino wool layers: stay warm from head to toe in icebreaker outdoor clothing gear. This wool base layer is crafted of 100% merino wool. 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. Sport type: Outdoor Lifestyle. Weave type: Woven.
BrandIcebreaker Merino #ad
ManufacturerIcebreaker Merino #ad
Height2 Inches
Length11 Inches
Weight0.58 Pounds
Width7 Inches
Part Number104367001M-001-M
Model104367

7. Icebreaker Merino

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Black/Monsoon, Medium, Icebreaker Merino Men's Anatomica Short Sleeve Crewe

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Icebreaker Merino #ad - Keep covered in wool gloves, bras, leggings, glove liners, under shirts, wool base layers such as tops, mittens, bras, underwear & more. Flatlock seams prevent chafing. Merino wool layers: stay warm from head to toe in icebreaker outdoor clothing gear.

Wool under shirt: an ultralight t-shirt with super soft & durable merino wool blend. Crafted of 83% merino wool, 12% nylon, 5% LYCRA. Icebreaker longevity: we use 85% merino wool & less synthetic material than the traditional outdoor standard. With multi-purpose & timeless clothing our natural alternative to synthetics enhances the relationship between people & nature. Wool & children - keeping the family covered in jackets, ice Breaker provides clothes for men, scarves, camping, hiking or daily wear, pants, sweaters, beanies, underwear & CASUAL: Whether skiing, leggings, women & more wool clothing.

Wool hiking tee: breathable, odor-resistant tee with corespun fabric & next to skin softness. This crewe tee provides the versatile, breathable comfort you need for both active pursuits & daily life.
BrandIcebreaker Merino #ad
ManufacturerIcebreaker Merino #ad
Height2 Inches
Length11 Inches
Weight0.75 Pounds
Width7 Inches
Part Number103033001M
Model103033

8. Icebreaker

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Men's Black, L, ICEBREAKER 260 Tech Long-Sleeve Crew Top

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Icebreaker #ad - Material: 100% wool. Style: crew. Claimed weight: 9. 5oz. Fit: slim. Anti-odor: natural property of merino wool.
BrandIcebreaker #ad
ManufacturerIcebreaker #ad
Height1.97 Inches
Length11.81 Inches
Weight0.6 Pounds
Width7.87 Inches
Part Number104033-L-BLK
ModelIcebreaker

9. Icebreaker Merino

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X-Large, Icebreaker Merino Men's Standard 175 Everyday Short Sleeve Thermal Cold Weather Base Layer Crew T-Shirt, Black

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Icebreaker Merino #ad - Men's wool base layers: highly breathable & versatile crew neck shirt is perfect for backpacking, & adventure. This wool base layer is crafted of 100% merino wool. Keep covered in wool gloves, bras, glove liners, mittens, wool base layers such as tops, under shirts, leggings, bras, underwear & more.

Icebreaker longevity: we use 85% merino wool & less synthetic material than the traditional outdoor standard. Wool lightweight shirt: this wool tee for men has offset shoulder seems to reduce chafing when traveling. Merino wool layers: stay warm from head to toe in icebreaker outdoor clothing gear. With multi-purpose & timeless clothing our natural alternative to synthetics enhances the relationship between people & nature.

Quick-drying, climbing, & odor-resistant, hiking & perfect for layering. Wool & casual: whether skiing, icebreaker provides clothes for men, camping, sweaters, women & children - keeping the whole family covered in jackets, leggings, scarves, pants, hiking or daily wear, beanies, underwear & more wool clothing.
BrandIcebreaker Merino #ad
ManufacturerIcebreaker Merino #ad
Height3.94 Inches
Length11.81 Inches
Weight0.54 Pounds
Width8.46 Inches
Part Number104482001XL
Model104482

10. LAPASA

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M30, Lightweight, LAPASA Merino Wool Base Layer for Men, X-Large, Mens Thermal Underwear Bottom Ski and Hunting, Black, 1 Pack, 100% Merino Wool Long Johns Pants

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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. 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.

Whether you're camping, or just taking it easy, working, snowboarding, conform, hiking, 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.

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, 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.
BrandLAPASA #ad
Height11.81 Inches
Length8.27 Inches
Width1.57 Inches
ModelLPM17AW00300BLK0XLR1