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Brighton Briefs

A seamless Merino wool brief for runners



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Brighton Briefs

  S M L XL
Waist 22.5" 24.5" 27" 29"
Hip 28" 30" 32.5" 34.5"
Thigh 19.25" 20.75" 22" 23.25"

From our Customers

Under Cover

In developing underwear for running we selected a high-stretch and incredibly soft fine gauge Merino wool that's engineered seamlessly. The performance properties of Merino makes them perfect for running, while the seamless construction reduces chafe and disappears under tight-fitting apparel.


"I’ve run as long as 34 miles in them and can pay them the ultimate compliment: I forgot I had them on."
- Outside Magazine

Mid-Rise Full Coverage Briefs
Fine Gauge Merino Wool Underwear, Constructed Seamlessly
Seamlessly Knit in Rib Waistband and Front Panel for Extra Support
Open Stitch Throughout the Leg and Back for Breathability and a Barely There Feel
Inseam panel to minimize chafe

66% Wool, 32% Nylon, 2% Elastane

Machine Wash Cold
Tumble Dry Low
Do Not Bleach

Merino Magic

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. And it's sustainable, too. For our underwear, we used a super-fine micron Merino with 83% wool, 12% nylon and 5% elastane.

Cut for Comfort

These mid-rise, full coverage briefs feature a seamlessly knit rib waistband and front panel for added support. Open stitching throughout the leg and back enhance breathability and deliver a barely-there feel. The minimalist design ensures these briefs stay in place and will not ride up when you're moving fast.

On the Go

For runners with big goals or those inspired to explore, traveling to races can unlock speed and heighten our connection to our sport. Inspired by runners on the go, we designed a collection of travel-ready staples crafted for comfort and sophistication in transit.

Rapid Transit

Shop Collection

Brighton Briefs