Built for the Athletes Who Finish What Others Quit

Trail running and ultramarathon apparel for the gritty, the steady, and the relentlessly forward.

Shop Best Sellers
Man wearing a black t-shirt with a mountain design by a lake and mountains

A to Z National Parks

Your Adventure. Your Uniform.

Find your favorite national park and trails.

National Park Collection
Two runners Laura (The Duck) Scott  (The Sloth) on a wooden bridge in a forest during autumn.

The Sloth & The Duck

Premium Quality. Sustainable Values.

Most brands sell a generic outdoor dream, but we sell the reality of the grind. Sloth and Duck is forged from the contrast of the trail: the slow, steady momentum of an ultra runner and the calm exterior of an athlete whose feet are going like mad beneath the surface. We trade corporate fluff for authentic grit. This is premium gear for those who know that the real work happens where no one is watching.

Meet the Founders
  • Built to Last

    From national parks to race day, our gear is made from premium materials that hold up wherever the trail takes you.

  • Designed by Outdoor Athletes

    Every product starts with one question: does this feel earned? If the answer is no, we don't make it.

  • For the People Who Show Up

    Whether it's mile 1 or mile 50, it's the people who keep moving who wear Sloth & Duck.