BE:1 Trek Base BLACKOUT Series Merino Wool Shirt

BE:1 Trek Base BLACKOUT Series Merino Wool Shirt is rated 4.5 out of 5 by 85.
  • y_2022, m_7, d_5, h_21
  • bvseo_bulk, prod_bvrr, vn_bulk_3.0.32
  • cp_1, bvpage1
  • co_hasreviews, tv_40, tr_45
  • loc_en_US, sid_1010813-290, prod, sort_[SortEntry(order=RELEVANCE, direction=DESCENDING)]
  • clientName_scentlok
  • bvseo_sdk, p_sdk, 3.2.1
  • CLOUD, getAggregateRating, 13.79ms
Out of stock
  • Blackout features
         Designed for blind hunting
  • Carbon Alloy™ technology
         For maximum odor adsorption & scent control
  • Silver Alloy™ technology
       Helps inhibit the growth of bacteria
  • Fusix™ technology
       Helps destroy bacteria and control odors while maintaining a supreme stretch
  • Wicking treatment
       Provides maximum moisture control
  • Merino wool, modal, and Tencel blend
       Delivers ultra-soft, flexible fabric
  • 1/4 zip design
       Great for ventilation and easy dressing
  • Stretch panels
       For easy movement

Any great success is built upon a strong foundation, and the new BE:1 Blackout Trek Base series is built to offer defense against two of the biggest obstacles in whitetail hunting: sight and smell. The Trek series utilizes fine Merino Wool bonded with Carbon Alloy™ for unprecedented odor protection as well as our Fusix™ treatment to defend against bacterial growth. Blackout fabric paired with muted logos offers concealment when hunting from pop-up or box blinds. Designed with a focus on fit with a four-way stretch fabric, the Trek series is the perfect building block for the BE:1 series.

Mid Season


Industry Leading Carbon Alloy Technology



Our industry leading technology combines activated carbon, treated carbon and zeolite concealed between fabrics. The massive surface area of these natural particles target and adsorb odors and won't let go until you reactivate your gear in your dryer.

Moisture wicking fabrics



Wicking technology draws sweat away from the body toward the outer surface of the fabric for quick evaporation. Using hydrophilic (water loving) and hydrophobic (water repelling) fibers, pathways are constructed within the fabric that help the moisture move.

Fusix is printed coat of engineered carbon that will not wash out



A printed coating of engineered carbon (gold hexagons) fused directly onto the fabric that provides an additional layer of permanent odor protection. Fusix can be implemented onto certain fabrics that other scent control technologies cannot, allowing for more versatility and mobility.

Silver Alloy is permanently embedded into the fibers and will never wash out



Silver technology permanently embedded into co-extruded fibers that control the growth and sustainability of bacteria in the harshest environments. This implementation method ensures the technology will not wash out and lasts the life of the garment.

Rated 4 out of 5 by from SOFT COMFORTABLE QUALITY APPEARS GOOD Bought this in a large and it is comfortable due to how soft it is. Felt the warmth generate almost immediately. Definitely a mid season+ weight. Do not know if I would purchase again based on how short the top is. I am 5’ 7” wear a 44 in a suit and 190lbs. This is short on me, hopefully it will stay tucked in. I can not imagine it working for a 6’ person. I am keeping it with reservations. I own a fair amount of Scentlok gear and this is the first time I have ran into a fit like this.
Date published: 2021-09-09
Rated 4 out of 5 by from Excellent quality, but The shirt is not long enough. It would be perfect if it was 2 inches longer. Which they made these in an xlt.
Date published: 2021-06-14
Rated 5 out of 5 by from Amazing baselayer Wore this under the Divergent suit in 30° weather from sunrise to sunset and had no issue at all staying warm! My new favorite baselayer!!
Date published: 2021-11-30
Rated 3 out of 5 by from Good combo of features, stretchy but short Keeps you warm when it’s cold and cool when it’s hot like merino does, doesn’t get smelly and stretches well but as others have said the top is really short; it won’t stay tucked in to my bottoms and barely comes down to my bellybutton and I have an average torso length. Arms are a good length, I’m 6’1” and they come down to my wrists, large fits my 45” chest perfect. If not for being ridiculously short it’d be perfect.
Date published: 2021-12-10
Rated 5 out of 5 by from Comfortable and warm My favorite baselayers yet!!! Wore these on a 30 degree morning and high of 50 and was comfortable the entire sit. Even when i started tracking it was comfortable to wear and move around in. Some baselayers are not flexible and these are for a bigger guy. Size runs true shirt could be a little bit longer but not to bad. I definitely recommend these
Date published: 2021-11-08
Rated 5 out of 5 by from Great Product These Merino Wool base layers are awesome! If you have a hard hike in to your stand and get sweaty…it’s not a problem! These base layers wick away the moisture and the Scentlok keeps the odor in! I’m hunting on the ground this year and twice now I’ve had 2-3year old bucks less than 10 yards away and I didn’t get busted!
Date published: 2021-11-10
Rated 5 out of 5 by from Very comfortable and fits great I haven't had a chance to use it in cold weather yet, but the shirt fits great and it's SUPER comfortable. The fleece lining is extremely soft and it has just enough stretch to move with you as you're hiking or climbing into a stand. Can't wait to put it to the test when it gets cold this fall.
Date published: 2021-06-16
Rated 2 out of 5 by from Too short Purchased this base layer along with the bottoms. Shirt is too short. Won't stay tucked in your pants and raises up if you raise your arms. Merino wool is also a far stretch. Very little wool in this baselayer. More like a fleece base layer. Not very satisfied with this product.
Date published: 2021-10-27
  • y_2022, m_7, d_5, h_21
  • bvseo_bulk, prod_bvrr, vn_bulk_3.0.32
  • cp_1, bvpage1
  • co_hasreviews, tv_40, tr_45
  • loc_en_US, sid_1010813-290, prod, sort_[SortEntry(order=RELEVANCE, direction=DESCENDING)]
  • clientName_scentlok
  • bvseo_sdk, p_sdk, 3.2.1
  • CLOUD, getReviews, 14.91ms