Lightweight and ultra functional, Primus stoves are long-distance trekking essentials. Primus is the oldest outdoor stove manufacturing company in the world and the portable kerosene stove was the stove of choice for Tenzing and Hillary on their ground-breaking first ascent of Mount Everest in 1953. www.primus.se

Where do you go for hardwearing mountain trekking shoes and boots? Hanwag. Originally a small family firm of shoemakers who took great care in making high quality boots for outdoor use, Hanwag has now spread around the world. www.hanwag.de

This year’s event has been granted a Special Use Permit by the US Forest Service, White River National Forest. We want to say a big thank you to them for their assistance and cooperation, without which Fjällräven Classic USA wouldn’t be possible. The US Forest Service is a multi-faceted agency that manages and protects 154 national forests and 20 grasslands in 43 states and Puerto Rico. The agency’s mission is to sustain the health, diversity and productivity of the nation’s forests and grasslands to meet the needs of present and future generations. www.fs.fed.us

Grayl Ultralight Water Purifier [+Filter] Bottles are built for those seeking a combination of performance, convenience and portability. The Ultralight’s patented [One Press] system purifies water in less than 15 seconds from almost any freshwater source – removing viruses, bacteria and protozoa, plus many chemicals and heavy metals. As a participant of Fjällräven Classic USA, you will receive one bottle from Grayl included in your ticket price. www.thegrayl.com

St. Anthony Summit Medical Center is a level III trauma center serviced by Flight For Life® Colorado. It offers the highest level of emergency care and provides a full range of medical services.