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BE:1 Trek Base BLACKOUT Series Merino Wool Bottom

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

Merino Wool

Carbon Alloy for odor protection

Silver Alloy

Treatment helps defend against bacterial

Fusix Technology

Adds additional odor adsorption

Blackout Fabric

Muted logos support concealment in

Four-way Stretch

A focus on fit

$139.99
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SKU: 1010820-290-3X

Overview

Built as a base layer for whitetail hunters, this bottom is designed to support concealment and odor-focused layering in the field. The Merino wool construction is paired with Carbon Alloy, Silver Alloy, and Fusix treatments to address odor control and bacterial growth, while the blackout fabric and muted logos help it blend in when hunting from pop-up or box blinds. A four-way stretch fabric adds a fit-oriented feel that works well as part of a layered system. It is a purpose-driven piece for hunters who want a quiet, low-profile foundation under their outerwear.

Why Hunters Choose This Product

Merino Wool

Carbon Alloy for odor protection

Silver Alloy

Treatment helps defend against bacterial

Fusix Technology

Adds additional odor adsorption

Blackout Fabric

Muted logos support concealment in

Four-way Stretch

A focus on fit

Key Features

  • Merino wool bonded with Carbon Alloy for odor protection.
  • Silver Alloy treatment helps defend against bacterial growth.
  • Fusix technology adds additional odor adsorption.
  • Blackout fabric and muted logos support concealment in blinds.
  • Four-way stretch fabric is designed with a focus on fit.
  • Part of the BE:1 Blackout Trek Base series.

Best Used For

  • Whitetail hunters needing a low-profile base layer for pop-up or box blinds
  • Hunters prioritizing odor-focused layering in close-range stand setups
  • Cold-weather hunters wanting a merino wool bottom with four-way stretch
  • Serious outdoorsmen building a concealed base system around the BE:1 series

Specifications

Bacterial Growth DefenseDefends against bacterial growth
ConcealmentMuted logos
FabricBlackout fabric
FitFocus on fit
MaterialMerino Wool
Odor AdsorptionAdditional odor adsorption
Odor ProtectionUnprecedented odor protection
StretchFour-way stretch fabric
TechnologyCarbon Alloy
Treatment 1Silver Alloy
Treatment 2Fusix

Pros

  • Merino wool construction with Carbon Alloy for odor protection
  • Silver Alloy treatment helps defend against bacterial growth
  • Fusix technology adds additional odor adsorption
  • Blackout fabric and muted logos support concealment in blinds
  • Four-way stretch fabric is designed with a focus on fit

Considerations & Trade-offs

  • Merino wool base layers can be more specialized than general-purpose cold-weather clothing, so this piece is best considered as part of a hunting system rather than a standalone solution.
  • The odor-control treatments are a key feature, but they are still part of a fabric system and not a substitute for careful scent management in the field.
  • Blackout fabric and muted logos are geared toward concealment from blinds, which makes the design more purpose-built for whitetail hunting than for all-around everyday wear.
  • The four-way stretch focus suggests a fit-oriented base layer, so sizing and layering preferences may matter more than with looser undergarments.

Suggested Comparisons

  • Merino wool base layer bottoms
  • Synthetic base layer bottoms
  • Midweight hunting base layers
  • Cold-weather hunting underwear

Suggested Accessories

  • Base layer top
  • Insulating midlayer
  • Hunting socks
  • Merino wool glove liners

Frequently Asked Questions

What is the BE:1 Trek Base BLACKOUT Series Merino Wool Bottom designed for?

It is designed as a base layer for whitetail hunting, with a focus on helping address sight and smell concerns.

What is the BE:1 Trek Base BLACKOUT Series Merino Wool Bottom designed for?

It is designed as a base layer for whitetail hunting, with a focus on helping address sight and smell concerns.

What odor-control technologies are mentioned for this bottom?

The description lists Merino Wool bonded with Carbon Alloy for odor protection, Silver Alloy treatment to help defend against bacterial growth, and Fusix technology for additional odor adsorption.

What odor-control technologies are mentioned for this bottom?

The description lists Merino Wool bonded with Carbon Alloy for odor protection, Silver Alloy treatment to help defend against bacterial growth, and Fusix technology for additional odor adsorption.

Is this base layer intended for use in blinds?

Yes. The Blackout fabric and muted logos are described as helping with concealment when hunting from pop-up or box blinds.

Is this base layer intended for use in blinds?

Yes. The Blackout fabric and muted logos are described as helping with concealment when hunting from pop-up or box blinds.

Does the product description mention stretch or fit?

Yes. It says the Trek series is designed with a focus on fit and uses four-way stretch fabric.

Does the product description mention stretch or fit?

Yes. It says the Trek series is designed with a focus on fit and uses four-way stretch fabric.

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