Men's Base Layers

Soft 60% cotton, 40% polyester jersey fabric

Garment-washed for long-wearing comfort

Mock-neck collar protects against chilly air

Raglan sleeve design for improved mobility

Ultra-lightweight UA Tech fabric

Superior HeatGear moisture transport

Soft cotton-like hand feel

95% polyester, 5% spandex blend

Raglan sleeve construction with flatlock seams

Super-soft, extra-warm Merino wool construction

Naturally wicks away moisture

Antimicrobial properties in special nylon fibers

Helps control body scents and odors

180 gram brushed fleece lining

100% natural filament jersey silk

75g: extremely lightweight

ec2 Qwik-Dri Thermoregulation Technology

Antimicrobial fabric reduces odor

UPF 15+

Heavyweight 9.5-ounce, 100% cotton ring-spun knit

Reinforced stitching on all seams

Rib-knit cuffs

Elastic waist

Rapid moisture-management technology

Spun rib construction for added comfort

Flatlock seams to elminate chafing

Double-knit flat back mesh construction

100% polypropylene fabric

Omni-Heat thermal reflective technology

Omni-Wick advanced evaporation technology

4-way comfort stretch with flatlock stitching

Fits close to the body for easy layering

85% polyester, 15% elastane fabric

4-way stretch, 7.25-oz. 96% polyester, 4% elastane

Base 4.0: ultra warmth for "brutally" cold weather

ColdGear technology: warm, dry, and light

ArmourBlock anti-odor technology helps reduce BO

Ergonomic flatlock seams and raglan sleeves

95% polyester, 5% Lycra heathered jersey fabric

Wicks away moisture to keep you dry and cool

Antimicrobial treatment helps reduce odors

Flatlock-stitched seams at the rises and inseam

Comfort-fit elastic waistband; gusseted fly

Heavy-duty 9.5-oz., 100% ringspun cotton fabric

Rib-knit crew neck and cuffs to seal out the cold

Flatlock seaming throughout reduces abrasions

Low-shrinkage knit fabric for a comfortable fit

Omni-Heat thermal reflective technology

4-way comfort stretch for optimum mobility

Omni-Wick advanced evaporation technology

Functional fly for ease of use

86% polyester, 14% elastane fabric

Fitted very close to the body

ArmourBlock odor-reduction technology

UPF 30+ sun protection rating

Two-layer brushed fabric

Omni-Heat thermal reflective technology

Omni-Wick advanced evaporation technology

Antimicrobial treatment helps reduce odors

Fits close to the body for easy layering

86% polyester, 14% elastane fabric

Fitted very close to the body

ArmourBlock odor-reduction technology

UPF 30+ sun protection rating

Two-layer brushed fabric

Work-Dry material wicks away moisture

100% polyester midweight knit

Anti-odor fabric treatment

Reinforced stitching on all seams

Tapered cuffs

Polartec Power Dry bi-component knit fabric

High-performance Polartec grid fleece

Moisture wicking materials

Antimicrobial technology helps reduce odors

Flatlock stitching for comfort and easy layering

Pullover fits close to skin for muscle support

Keeps you warm in moderate to cold conditions

Ultra-comfy polyester/spandex stretch fabric

ScentCore antimicrobial technology to reduce odors

Flatlock seams for reduced abrasion, easy layering

Capture Scent technology reduces human odors

Moisture management system helps keep you dry

Flatlock stitching eliminates abrasion

65% nylon, 19% polyester, 16% elastane fabric

Lightweight 4.4-oz., 100% polyester mesh fabric

Moisture-wicking, breathable, and colorfast

Comfort waistband for a snug, comfortable fit

10 oz. stretch fleece and 96% Micro-Fleece

Kills the bacteria that causes human odor

4% Spandex wicks moisture away from the skin

4-Way stretch for comfort and motion

Engineered for maximum warmth

Superior mobility without chafing

Quick-drying fabric

Lightweight ColdGear thermal grid fabric

Keeps body heat in, transport moisture away

Ergonomic flatlock seams for chafe-free comfort

Raglan sleeve design for optimum mobility

ArmourBlock antimicrobial technology reduces odor

4-way stretch, 7.25-oz. 96% polyester, 4% elastane

Base 4.0: ultra warmth for "brutally" cold weather

ColdGear technology: warm, dry, and light

ArmourBlock anti-odor technology helps reduce BO

Ergonomic flatlock seams and performance waistband

100% no-itch Merino Wool

Naturally controls temperature and fights odor

UPF 50+

180g: medium weight

Constructed from an annually renewable resource

100% Merino Wool with no itch

Naturally controls temperature and fights odor

UPF 50+

180g: medium weight

Constructed from an annually renewable resource

Multi-panel construction

Mesh panels help dissipate heat and perspiration

Lightweight, four-way stretch fabric

Thumbholes keep sleeves in place when adding layer

Anti-microbial treatment reduces odor

Heavyweight 95% polyester, 5% metallic fabric

Dramatically reduces odor-causing bacteria

Keeps you dry and comfortable

Quarter-zip front

Camo collar and cuffs

Lightweight 95% polyester, 5% metallic fabric

Dramatically reduces odor-causing bacteria

Keeps you dry and comfortable

4.9-oz. 93% polyester, 7% elastane w/4-way stretch

Base 2.0: highly versatile for "cold" conditions

ColdGear technology: warm, dry, and light

ArmourBlock anti-odor technology helps reduce odor

Ergonomic flatlock seams and raglan sleeves

Heavyweight 95% polyester, 5% metallic fabric

Dramatically reduces odor-causing bacteria

Keeps you warm, dry, and comfortable

Quarter-zip front

Ultimate base layer for wicking moisture

Keeps you warm or cool and dry

100% polyester, 160 gram fabric

uninhibited range of motion

Resists pilling

7-oz. 93% polyester, 7% elastane w/4-way stretch

Base 3.0: max warmth for "extreme" cold conditions

ColdGear technology: warm, dry, and light

ArmourBlock anti-odor technology helps reduce BO

Ergonomic flatlock seams and performance waistband

100% Merino Wool

Naturally controls temperature and fights odor

UPF 50+

180g: medium weight

Constructed from an annually renewable resource

100% no-itch Merino Wool

Naturally controls temperature and fights odor

UPF 50+

180g: medium weight

Constructed from an annually renewable resource

Ergonomic fit reduces abrasion in hi-impact areas

Anti-odor technology neutralizes odor microbes

HeatGear moisture transport for quick drying

Bolsters muscle support, increases circulation

UPF 30+ sun protection

12.25-oz. 100% virgin Merino Wool

Absorbs up to 30% of its own weight in moisture

Unparalleled comfort

Machine washable

Kills the bacteria that causes human odor

300 gram, 96% Micro-Fleece with 4% Spandex

4-Way stretch for comfort and motion

7-oz. 93% polyester, 7% elastane w/4-way stretch

Base 3.0: max warmth for "extreme" cold conditions

ColdGear technology: warm, dry, and light

ArmourBlock anti-odor technology helps reduce BO

Ergonomic flatlock seams and raglan sleeves

Stability Fit for gentle compression, arch support

Delcron Hydrotec fibers wick moisture, dry quickly

Antimicrobial treatment helps resist odors

Left/right toe box engineering for anatomical fit

Strategic cushioning at specific strike zones

7-oz. 93% polyester, 7% elastane w/4-way stretch

Base 3.0: max warmth for "extreme" cold conditions

ColdGear technology: warm, dry, and light

ArmourBlock anti-odor technology helps reduce BO

Ergonomic flatlock seams and raglan sleeves

9.2-oz. 100% virgin Merino Wool

Absorbs up to 30% of its own weight in moisture

Unparalleled comfort

Machine washable

4-way stretch 87% polyester, 13% elastane

Evolution ColdGear is warm without the weight

UA Scent Control suppresses odor-causing bacteria

Superior moisture transport keeps you dry

Compression fit