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When temperatures drop, work rate climbs and movement is key, our Cirrus Flex 2.0 comes into its own. With ascent-ready stretch and synthetic insulation, it’s a warm, lightweight and packable layer for any-season.

When temperatures drop, work rate climbs and movement is key, our Cirrus Flex 2.0 comes into its own. With ascent-ready stretch and synthetic insulation, it’s a warm, lightweight and packable layer for any-season.