Base LayerAltitude OutdoorsSold by Altitude Outdoors

Altitude Outdoors

Altitude MTN HNTR Base Crew

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

Grid Fleece

Base layer designed to help

Crew Neck

Style for straightforward layering under

Made From

95% polyester and 5% spandex

Flat Seam

Construction for a smoother next-to-skin

Sleeves Include

Thumb holes for added coverage

$35.00
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SKU: altitude-mountain-hunter-base-crew-neck

Overview

Built for hunters who need a dependable layer when conditions turn cold, this grid fleece crew is designed to help balance warmth and breathability in the field. The crew neck profile keeps the fit straightforward for layering, while flat seam construction and thumb holes add practical comfort under outerwear. With a polyester-spandex blend and sizes ranging from Small to XXL, it suits use as a base layer for long sits, active movement, and changing weather.

Why Hunters Choose the Altitude Outdoors

Grid Fleece

Construction supports warmth and breathability

Crew Neck

Design offers a simple, versatile

Flat Seam

Construction helps reduce bulk under

Thumb Holes

Add coverage and help keep

Available Sizes

Small through XXL for broader

Key Features

  • Grid fleece base layer designed to help keep you warm and breathable.
  • Crew neck style for straightforward layering under hunting apparel.
  • Made from 95% polyester and 5% spandex.
  • Flat seam construction for a smoother next-to-skin feel.
  • Sleeves include thumb holes for added coverage during wear.
  • Available in sizes Small through XXL.

Best Used For

  • Hunters needing a warm, breathable base layer for cold-weather field use
  • Those who prefer a crew neck base layer under outer layers
  • Users wanting flat seam construction for reduced bulk in layered systems
  • Hunters who like sleeve thumb holes for added coverage during active movement

Specifications

BreathabilityBreathable
Crew Neck StyleYes
Fabric TypeGrid Fleece
Flat Seam ConstructionYes
Long DescriptionMeant to keep you warm and breathable, this grid fleece base layer will keep you in the field in the toughest conditions. Crew Neck Style. Features: 95% Polyester 5% Spandex Grid Fleece Sizes Small to XXL Flat Seam Construction Sleeve with thumb hole
Material95% Polyester, 5% Spandex
Short DescriptionMeant to keep you warm and breathable, this grid fleece base layer wil...
SizesSmall to XXL
Thumb Hole SleevesYes
WarmthWarm

Pros

  • Grid fleece construction supports warmth and breathability for field layering.
  • Crew neck design offers a simple, versatile base-layer fit.
  • Flat seam construction helps reduce bulk under outer layers.
  • Thumb holes add coverage and help keep sleeves in place.
  • Available in sizes Small through XXL for broader fit options.

Considerations & Trade-offs

  • Crew neck styling offers less neck coverage than a mock-neck or zip-neck base layer, so it may not suit hunters who want added protection around the collar.
  • The grid fleece construction is designed for warmth and breathability, but that also means it is a base layer rather than a standalone outer layer for harsh weather.
  • Flat seam construction helps reduce bulk, yet the fit and feel will still depend on layering choices and personal preference.
  • Sleeves with thumb holes can improve coverage, but some users may prefer a simpler cuff without that added feature.

Suggested Comparisons

  • Grid fleece base layers
  • Crew-neck base layers
  • Thumb-hole thermal tops
  • Midweight hunting baselayers

Suggested Accessories

  • Lightweight midlayer jacket
  • Insulating base layer bottoms
  • Moisture-wicking socks
  • Gloves

Frequently Asked Questions

What kind of layer is the Altitude MTN HNTR Base Crew designed to be?

It is a grid fleece base layer with a crew neck style, meant to help keep you warm and breathable in the field.

What materials are listed for this base layer?

The listed materials are 95% polyester and 5% spandex.

What size range is available?

The available sizes are Small through XXL.

Does it have flat seams or other comfort-focused construction details?

Yes. The product lists flat seam construction.

Does this base layer include thumb holes?

Yes. The description lists sleeves with thumb holes.