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Brighton Base Layer

A seamless, lightweight long sleeve made from an engineered Merino mesh 

77 reviews


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Brighton Base Layer

Runs true to size due to fabric stretch.

  S M L XL
Chest 32.25" 34.5" 37" 39.5"
Body Length 26.75" 27.5" 28.5" 29"
Sleeve 29" 30" 30.75" 31.5"

From our Customers

77 reviews

Clutch Layer

Our best-selling Brighton Base Layer features an engineered Merino mesh that’s more open around your core, with a closed knit on the sleeves for a bit more warmth in your extremities. We designed it specifically as a training base layer to be worn under a mid-layer or a jacket, but its seamless construction gives it a comfortable, flattering fit that’s not too tight to wear all by itself.



"Soft, breathable, and odor-resistant, the Brighton Base Layer is ideal for cold runs when you need to layer, and can also be worn on its own."

—Runner's World

16.5 Micron Merino Wool Blend
52% Wool, 28% Nylon, 20% Polyester
Constructed Seamlessly To Prevent Chafing


52% Wool, 28% Nylon, 20% Polyester, 16.5 Micron, 145 gsm


Machine Wash Cold
Hang Dry

Blake is 5' 8" and wearing a Small.

The Miracle  
of Merino

If you’re still not familiar with the performance benefits of Merino wool, be prepared for a revelation. Stunningly soft and not at all scratchy, Merino wicks moisture and regulates temperature just like animal hair (because it sort of is). It’s almost completely impervious to odor, even if you never choose to wash it. Unlike synthetic wicking materials, Merino stays warm even when it’s wet. And it’s sustainable, too. 

Our base layers are made from a lightweight, luxurious 16.5 micron Merino blend, and constructed seamlessly to reduce chafing.

Mick (left) is 5' 11" and wears a size Medium.

Seamless Innovation

Because the Brighton Base Layer is intended to be worn against your skin, we wanted to eliminate any points of possible irritation or chafing. 

So we went to Europe and partnered with one of the most innovative seamless factories in the world. The result is a garment built for a level of comfort to rival your favorite pajamas, and a level of performance without any rival at all.

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Brighton Base Layer