Midweight Base Layers for Optimal Warmth & Comfort

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  • Polarmax men's thermal base layer shirt in black long sleeve top for cold weather

    Men's Double Layer Crewneck

    Men's Double Layer Crewneck

    Comfortable, easy fitting top for multi-purpose outdoor activities

    $ 40.00
  • Polarmax Men's Base Layer Pants for Men in Black, Ideal for Comfortable Layering in Cold Weather

    Men's Double Layer Bottoms

    Men's Double Layer Bottoms

    Comfortable, easy fitting bottom for multi-purpose outdoor activities

    $ 40.00
  • Men's thermal base layer pants in black, designed for warmth and comfort in cold weather for layering under clothing
    Sold out

    Men's Single Layer Bottoms

    Men's Single Layer Bottoms

    Lightweight warmth for cool conditions

    $ 35.00
  • Men's thermal crewneck shirt men in black, designed as a single layer for warmth and comfort in cold weather.
    Sold out

    Men's Single Layer Crewneck

    Men's Single Layer Crewneck

    Single layer, soft jersey knit made for everyday wear

    $ 35.00
  • Polarmax black men's merino wool base layer long bottoms for cold weather
    Sold out

    Men's Merino Wool Tight

    Men's Merino Wool Tight

    Comfortable and easy to move in Merino Wool thermal hybrid.

    $ 60.00
  • Polarmax black men's merino wool base layer long sleeve top for thermal comfort and moisture control
    Sold out

    Men's Merino Wool Crewneck

    Men's Merino Wool Crewneck

    Comfortable, easy fitting top for multi-purpose outdoor activities

    $ 60.00
  • Polarmax black thermal leggings for cold weather with a slim fit design

    Women's Double Layer Tight

    Women's Double Layer Tight

    Comfortable, easy fitting bottom for multi-purpose outdoor activities

    $ 40.00
  • Polarmax black women's crew neck thermal long sleeve top for cold weather layering

    Women's Double Layer Crewneck

    Women's Double Layer Crewneck

    Single layer, soft jersey knit made for everyday wear

    $ 40.00
  • Women's merino wool tights in black, designed for warmth and comfort as a technical base layer for cold weather.
    Sold out

    Women's Merino Wool Tight

    Women's Merino Wool Tight

    Comfortable and easy to move in Merino Wool thermal hybrid.

    $ 60.00
  • Women's black crewneck shirt made of lightweight merino wool top, ideal for cold weather base layers.
    Sold out

    Women's Merino Wool Crewneck

    Women's Merino Wool Crewneck

    Comfortable and easy to move in Merino Wool thermal hybrid.

    $ 60.00
  • Women's crewneck base layer in black from Polarmax, designed for warmth and comfort in cold weather.
    Sold out

    Women's Single Layer Crewneck

    Women's Single Layer Crewneck

    Dependable, everyday thermals.

    $ 35.00
  • Women's single layer tight in black, ideal for layering as lightweight women's thermal bottoms for cold weather.
    Sold out

    Women's Single Layer Tight

    Women's Single Layer Tight

    Dependable, everyday thermals.

    $ 35.00
  • Black long-sleeve shirt on a white background

    Men's Active Stretch Crewneck

    Men's Active Stretch Crewneck

    Ideal for performance sports or casual wear

    $ 50.00
  • Black thermal baselayer leggings with a brand logo for men

    Men's Active Stretch Bottom

    Men's Active Stretch Bottom

    Ideal for performance sports or casual wear

    $ 50.00
  • Youth double layer crewneck in black, a comfortable black thermal long sleeve shirt perfect for cold weather layering.

    Youth Double Layer Crewneck

    Youth Double Layer Crewneck

    Comfortable, easy fitting top for multi-purpose outdoor activities

    $ 34.00
  • Youth double layer tight in black, ideal black thermal leggings for kids, designed for warmth in cold weather.
    Sold out

    Youth Double Layer Tight

    Youth Double Layer Tight

    Comfortable, easy fitting bottoms for multi-purpose outdoor activities

    $ 34.00
  • Youth thermal leggings in black, designed as a technical base layer for warmth in cold weather activities.
    Sold out

    Youth Single Layer Tight

    Youth Single Layer Tight

    Soft, jersey knit for everyday use.

    $ 30.00
  • Youth black crewneck base layer by Polarmax, featuring a comfortable single layer design suitable for cold weather.
    Sold out

    Youth Single Layer Crewneck

    Youth Single Layer Crewneck

    Soft, jersey knit for everyday use.

    $ 30.00
  • Black thermal baselayer leggings for women

    Women's Active Stretch Tight

    Women's Active Stretch Tight

    Ideal for performance sports or casual wear

    $ 50.00
  • Youth thermal base layer pants in black, perfect for layering during outdoor activities
    Sold out

    Youth Active Stretch Bottom

    Youth Active Stretch Bottom

    Ideal for performance sports or casual wear

    $ 40.00
  • Black long-sleeve shirt on a white background

    Women's Active Stretch Crewneck

    Women's Active Stretch Crewneck

    Ideal for performance sports or casual wear

    $ 50.00
  • Black long-sleeve shirt on a white background
    Sold out

    Youth Active Stretch Crew

    Youth Active Stretch Crew

    Ideal for performance sports or casual wear

    $ 40.00
  • Women's Wool Double Layer Crew
    Sold out

    Women's Wool Double Layer Crew

    Women's Wool Double Layer Crew

    Merino wool, double-layer warmth for extended cold-weather wear

    $ 75.00
  • Men's Wool Double Layer Crew
    Sold out

    Men's Wool Double Layer Crew

    Men's Wool Double Layer Crew

    Layered wool construction, made to hold heat

    $ 75.00

Product Comparison

Collection Fabric Content GSM Warmth Weight Stretch Best For Not Ideal For Origin Link
Double Layer 100% Polyester 150 Medium Midweight Dual-layer / Mechanical Stretch Sustained cold, moderate activity, layering under looser fitting outerwear High-output activity, mild conditions, use under snug fitting bottoms Imported View →
Military Fleece 100% Polyester 160 Maximum Midweight-Heavy Mechanical Stretch Extreme cold-weather base layers during low-to-medium activity High-output activities in cool weather Imported View →
Merino Wool 67% Polyester / 28% Merino / 5% Spandex 175 Medium Midweight Four-way / Flexible Cold conditions, moisture management, odor control, multi-day wear Heavy-duty work use or warm weather Imported View →
Single Layer 100% Polyester 175 Light Lightweight Mechanical Stretch High-output or dynamic activity requiring maximum breathability Very cold or stationary conditions Imported View →
Active Stretch 84% Polyester / 16% Spandex 180 Medium Midweight Four-way / High-mobility High-movement cold-weather activity, skiing, snowboarding, outdoor work Low-output stationary use or extreme cold where warmth is top priority Imported View →
Mountain Fleece 100% Polyester 205 Maximum Heavyweight Mechanical Stretch Very cold conditions, low-to-moderate activity, all-day warmth High-output or dynamic activity Imported View →
Microfleece 92% Polyester / 8% Spandex 230 Medium-Heavy Midweight-Heavy Four-way / Flexible Heavy-duty work use or cold weather High-output activity Imported View →
Wool Double Layer 70% Polyester, 30% Wool Outer; 100% Polyester Inner 230 Medium-Heavy Midweight-Heavy Dual-layer / Mechanical Stretch Very cold conditions, low-to-moderate activity, all-day warmth High-output, warm weather or dynamic activity Imported View →

Double Layer

Fabric Content
100% Polyester
GSM
150
Warmth
Medium
Weight
Midweight
Stretch
Dual-layer / Mechanical Stretch
Best For
Sustained cold, moderate activity, layering under looser fitting outerwear
Not Ideal For
High-output activity, mild conditions, use under snug fitting bottoms
Origin
Imported
View Double Layer →

Military Fleece

Fabric Content
100% Polyester
GSM
160
Warmth
Maximum
Weight
Midweight-Heavy
Stretch
Mechanical Stretch
Best For
Extreme cold-weather base layers during low-to-medium activity
Not Ideal For
High-output activities in cool weather
Origin
Imported
View Military Fleece →

Merino Wool

Fabric Content
67% Polyester / 28% Merino / 5% Spandex
GSM
175
Warmth
Medium
Weight
Midweight
Stretch
Four-way / Flexible
Best For
Cold conditions, moisture management, odor control, multi-day wear
Not Ideal For
Heavy-duty work use or warm weather
Origin
Imported
View Merino Wool →

Single Layer

Fabric Content
100% Polyester
GSM
175
Warmth
Light
Weight
Lightweight
Stretch
Mechanical Stretch
Best For
High-output or dynamic activity requiring maximum breathability
Not Ideal For
Very cold or stationary conditions
Origin
Imported
View Single Layer →

Active Stretch

Fabric Content
84% Polyester / 16% Spandex
GSM
180
Warmth
Medium
Weight
Midweight
Stretch
Four-way / High-mobility
Best For
High-movement cold-weather activity, skiing, snowboarding, outdoor work
Not Ideal For
Low-output stationary use or extreme cold where warmth is top priority
Origin
Imported
View Active Stretch →

Mountain Fleece

Fabric Content
100% Polyester
GSM
205
Warmth
Maximum
Weight
Heavyweight
Stretch
Mechanical Stretch
Best For
Very cold conditions, low-to-moderate activity, all-day warmth
Not Ideal For
High-output or dynamic activity
Origin
Imported
View Mountain Fleece →

Microfleece

Fabric Content
92% Polyester / 8% Spandex
GSM
230
Warmth
Medium-Heavy
Weight
Midweight-Heavy
Stretch
Four-way / Flexible
Best For
Heavy-duty work use or cold weather
Not Ideal For
High-output activity
Origin
Imported
View Microfleece →

Wool Double Layer

Fabric Content
70% Polyester, 30% Wool Outer; 100% Polyester Inner
GSM
230
Warmth
Medium-Heavy
Weight
Midweight-Heavy
Stretch
Dual-layer / Mechanical Stretch
Best For
Very cold conditions, low-to-moderate activity, all-day warmth
Not Ideal For
High-output, warm weather or dynamic activity
Origin
Imported
View Wool Double Layer →