Science & Technology

Dive into the "how things work" side of lightweight backpacking gear and techniques. Our S&T articles include summaries of testing reports, research projects, and more. Discover the validity of manufacturer claims, the scientific basis of design, or how and why equipment performs differently in response to various environmental conditions.

The Evolution of a Winter Stove – Part 2

Jul 9, 2013 by Roger Caffin

Dissatisfied with what was commercially available at the time, the author has been working on the design of a lightweight winter canister stove since 2007.

The Evolution of a Winter Stove – Part 1

Jul 3, 2013 by Roger Caffin

Dissatisfied with what was commercially available at the time, the author has been working on the design of a lightweight winter canister stove since 2007.

Torso Simulator to test Heat Loss in Outdoor Gear – Radiation

Jun 25, 2013 by Jerry Adams

Measuring the affects of radiant heat loss to help you better prepare for the backcountry.

How Safe Is Your Food? Investigating the effectiveness of odor-proof bags

Apr 10, 2013 by Ari Jutkowitz VMD, DACVECC

How do supposedly “odor proof” plastic bags for backpacking hold up to the keen nose of a Police K9?

Thermal Feedback in Upright Canister Stoves

Mar 5, 2013 by Roger Caffin

Different upright canister stoves seem to work with differing levels of success in very cold weather, and one wonders why. Claims for pressure regulator stoves are especially problematic, with marketing spin being extreme in some cases. We examine just what is going on here, with an in-depth analysis of some aspects of both upright and remote canister stoves, to unravel some critical factors.

Impact of Wind on Insulation Loft

Feb 26, 2013 by Tim Hawthorne

During a winter storm, strong winds can render your lightweight puffy useless. This article examines the effect that compression can have on various types of insulation, and presents recommendations for staying warm and alive.

Midlayer Technology: Patagonia Capilene 4 v. Mountain Hardwear Desna Hoody

Jan 8, 2013 by David Chenault

This winter, increase the versatility of your other layers by adding a midlayer. An overview of two notable options, and discussion of current fabric tech.

How Packs Work

Dec 4, 2012 by David Chenault

The evolution of the frameless backpack and an analysis of current technology and features of four lightweight packs: the Golite Jam, Mountain Hardwear Thruway, Black Diamond Demon, and the authors MYOG Black and White pack.