Tag Archives | Active Insulation

Arc'teryx proton lt hoody

Arc’teryx Proton LT Hoody – Lightweight, Breathable Warmth

Arc’teryx Proton LT Hoody – Active Insulation If you have not experienced the modern world of “active insulation,” it’s more than just marketing hype. It refers to an insulated jacket that maintains air permeability. In other words, it’s breathable. The idea behind active insulation is warmth across a wider spectrum of aerobic activity than a more traditional, less breathable jacket… Read More

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