Sierra Designs Flex Capacitor 40-60L backpack review: an impressively light, versatile and streamlined gear hauler

Sierra Designs has thought of everything with this expandable backpack, from extra pockets that hold blankets and water bottles plus loads of padding and airflow for long and short treks

Long Term Gear Review: Sierra Designs Flex Capacitor 40-60L

Sierra Designs Flex Capacitor 40-60L backpack review: an impressively light, versatile and streamlined gear hauler

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Long Term Gear Review: Sierra Designs Flex Capacitor 40-60L