Kid's Clothing | Underwear & PajamasPolarmaxSold by Sportsmans Guide

Polarmax

Polarmax Youth Micro Fleece Thermal Long Underwear Bottoms

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Youth Thermal

Leggings designed for layering in

Soft Microfiber

Polyester provides lightweight warmth

Acclimate Dry

Technology helps manage moisture

Flat Seam

Construction adds durability and longevity

92/8 Polyester/spandex

Blend offers flexible comfort

$34.95
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SKU: WX2*0740953

Overview

Built for cold-weather layering, these youth thermal bottoms provide lightweight warmth without adding bulk under outerwear or hunting pants. The microfiber polyester construction is paired with Acclimate Dry technology to help manage moisture during active days outdoors, while flat seam construction adds durability and a smoother feel. With a 92/8 polyester/spandex blend, they offer breathable comfort for kids who need dependable base-layer coverage in changing conditions.

Why Hunters Choose the Polarmax

Soft Microfiber

Polyester provides lightweight warmth for

Acclimate Dry

Technology helps manage moisture during

Flat Seam

Construction adds durability and helps

92/8 Polyester/spandex

Blend offers comfortable stretch for

Breathable Design

Supports all-day comfort for kids

Key Features

  • Youth thermal leggings designed for layering in cold weather.
  • Soft microfiber polyester provides lightweight warmth.
  • Acclimate Dry technology helps manage moisture.
  • Flat seam construction adds durability and longevity.
  • 92/8 polyester/spandex blend offers flexible comfort.
  • Breathable design supports all-day wear during outdoor activities.

Best Used For

  • Youth hunters needing lightweight thermal layering in cold weather
  • Kids spending long days outdoors who need moisture-managing comfort
  • Parents looking for durable base layers with flat seam construction
  • Cold-weather activities where breathable warmth matters under outer layers

Specifications

Breathableyes
Constructionflat seam construction
Fabricmicrofiber polyester
GenderYouth
Layering Useyes
Material92/8 polyester/spandex
Moisture Managementyes
TechnologyAcclimate Dry
Typethermal long underwear bottoms
Warmthlightweight warmth

Pros

  • Soft microfiber polyester provides lightweight warmth for layering in cold weather.
  • Acclimate Dry technology helps manage moisture during active outdoor use.
  • Flat seam construction adds durability and helps reduce bulk under layers.
  • 92/8 polyester/spandex blend offers comfortable stretch for movement.
  • Breathable design supports all-day comfort for kids outdoors.

Considerations & Trade-offs

  • Designed as a layering piece, so it is not intended to be worn as a standalone outer layer in cold conditions.
  • The lightweight microfleece build prioritizes warmth without bulk, which may not suit situations that call for heavier insulation.
  • Polyester/spandex construction and flat seams are practical for comfort and durability, but this is still a youth thermal bottom rather than a specialized technical base layer for extreme conditions.

Suggested Comparisons

  • Youth thermal base layers
  • Kids' fleece leggings
  • Cold-weather layering bottoms
  • Moisture-wicking underwear bottoms

Suggested Accessories

  • Thermal base layer top
  • Insulated pants
  • Midweight socks
  • Moisture-wicking liner gloves

Frequently Asked Questions

What are these bottoms made from?

The product data lists a 92/8 polyester/spandex blend and describes the fabric as soft microfiber polyester.

Are these intended for cold-weather layering?

Yes. The description says they are designed to provide lightweight warmth and are suitable for layering in cold weather.

Do they manage moisture?

Yes. The product includes Acclimate Dry technology, which the description says helps manage moisture effectively.

What construction details are mentioned?

The listed construction feature is flat seam construction, described as durable and intended for longevity.

Are these insulated or bulky under other layers?

The description emphasizes billowy warmth without weight, but it does not provide insulation thickness or bulk measurements.