MUIR Logo T-Shirt
MUIR Logo T-Shirt
MUIR Logo T-Shirt
MUIR Logo T-Shirt

MUIR Logo T-Shirt

Regular price $26.00 Sale price $22.50
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Shipping calculated at checkout.

Top of the line fabric that stands up to consistent wear without sacrificing fit or feel. Take the mountains with you and rep MUIR out in the wild!

  • Fabric: CVC Jersey
  • 60% Combed Ring-Spun Cotton 40% Polyester
  • Neck: CREW NECK
  • Binding: Set-in Collar 1x1 CVC Baby Rib. Side seamed.
  • Label: Tear Away


Our Slow Burning products are made with raw nut and seed butters. The healthy fats and protein in these nut and seed butters metabolize slowly. When combined with our mineral rich and low glycemic electrolyte base, the result is a clean, sustained fuel source for your longer adventures.


Our Fast Burning products are made with dehydrated fruits and vegetables (we’ve removed the water to maximize flavor and nutrition density). These simple sugar sources metabolize quickly. When combined with our mineral rich and low glycemic electrolyte base, the result is a clean, fast fuel source for your shorter adventures.



MUIR Energy was born on the John Muir Trail and evolved out of my nutritional needs as an ultra distance hiker.

Like many health-conscious endurance athletes, I struggled to find the right nutrition to keep me going while pushing my body to its limits. My jaws tired of chewing raw nuts and dehydrated fruit. Most food bars are dry, heavy and not very healthy.

Most energy gels have poor nutrition profiles, making them unsuitable for endurance activities; they are also sweet and synthetic tasting, and contain ominous sounding ingredients.

I wanted simple food that was flavorful, calorically and nutritionally dense, and made exclusively with real ingredients. No junk.

I also wanted something I could eat straight, add to my oatmeal or soup, or spread on a cracker. Surprisingly, there weren't any products on the market that met all these criteria. So I decided to make it myself.

Ian Muir McNally, Founder & CEO


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