Latest
The Search for a Fleece Replacement – A Close Look at Active Insulation and the role of MVTR

What is MVTR's role in active insulation garments?

Air permeability vs. moisture vapor transmission rate (MVTR): which one impacts moisture transport more in wind and rain jackets?

This study compares the performance of four jackets made with fabrics that span a wide range of air permeability rates and moisture vapor transmission rates (MVTR). The study shows that significantly greater moisture removal can be achieved as a function of jacket MVTR than jacket air permeability.

By The Numbers: How Bad is Thermal Degradation in Synthetic Insulation?

The latest findings on thermal degradation in synthetic insulation from Stephen Seeber may surprise you in this By The Numbers column.

By the Numbers: Is Synthetic Insulation Warm When Wet?

We throw some quantitative testing at an oft-repeated synthetic insulation claim to measure the thermal performance of wet insulation.

By the Numbers: Rethinking Fleece

Stephen Seeber subjects ten fleece samples to rigorous thermal testing.

By the Numbers: Thermal Performance Measurements of Synthetic Insulations

Stephen Seeber presents measurements of several market-leading insulations along with four performance metrics to help judge their performance.

By the Numbers: If You Carry a Space Blanket, Buyer Beware

Stephen Seeber tests the infrared reflective properties of space blankets.

By the Numbers: Patagonia Worn Wear Micro Puff vs. New Micro Puff

In his new column for Backpacking Light, Stephen Seeber runs thermal testing on used and new Patagonia Micro Puff jackets.

Join Our Community

Become a Backpacking Light Member


Forum Access

Unrestricted access to all forums, plus the ability to post and start new threads.

Premium Content

Unrestricted access to all 2,300+ articles, gear reviews, skills, stories, and more.

Community Posts

Post new content to the community including gear swaps, reviews, trip reports and more!

Online Education

Get unlimited access to all our online education (*Unlimited membership required).

Pack less. Be more. Become a member today!

Get Started

Loading...