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.
The latest findings on thermal degradation in synthetic insulation from Stephen Seeber may surprise you in this By The Numbers column.
We throw some quantitative testing at an oft-repeated synthetic insulation claim to measure the thermal performance of wet insulation.
Stephen Seeber subjects ten fleece samples to rigorous thermal testing.
Stephen Seeber presents measurements of several market-leading insulations along with four performance metrics to help judge their performance.
Stephen Seeber tests the infrared reflective properties of space blankets.
In his new column for Backpacking Light, Stephen Seeber runs thermal testing on used and new Patagonia Micro Puff jackets.