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What is VerticalX ECO SR Insulation?

Oct 01, 2025

Built with lightweight, recycled bluesign® approved fabrics, the Vesper features VerticalX™ ECO SR insulation, which balances warmth, stretch, and breathability. Its wind- and water-resistant shell provides protection from unpredictable weather while maintaining comfort during high-output activities. Thoughtful design details like the insulated hood with brim, elastic cuffs, and adjustab …
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Gossamer Gear’s updated Mariposa. What's changed?

Posted by Andy Neil on Apr 12, 2024

n the dynamic realm of outdoor gear, Gossamer Gear consistently stands out for its commitment to innovation and performance. Their flagship 60l backpack, the Mariposa, is a testament to their unwavering commitment to excellence. This backpack is exceptional; we have reviewed it twice, it's that good. It was an absolute pleasure to use on my first TGO challenge in 2022. The latest iteration of …
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