Sierra Designs Flex Capacitor Rain Cover

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At just 90g this is a great way to protect your kit and your pack from the elements. A simple but highly effective raincover for your Flex Capacitor.

Sierra Designs says

Keep the contents of your Flex Capacitor dry when the skies open up. With elastic on the edges, this rain cover fits 25-40, 40-60, and 60-75L Flex Capacitor packs.

Our Verdict

Sierra Design’s Flex Capacitor Rain Cover is lightweight to carry and compact when not in use. The covers have a nice simple logo on the front and come in a subtle dark colour. They’re designed to fit the three sizes in the Flex Capacitor range, attaching easily to the pack when conditions deteriorate.

Some rucksacks come with their own waterproof rain covers, but for those that don’t, it’s best to purchase one separately to ensure the contents of your pack stay dry. Obviously they are not always needed if you are traveling through hot and dry climates but for those who regularly trek in wet conditions, like the UK, your pack slowly starts to absorb rainwater, making it feel heavier whilst potentially damaging your kit inside.

– Reviewed by Ultralight Outdoor Gear

Features

• Fits all sizes of Flex Capacitor backpacks
• Elastic for snug fit
• Taped seams for waterproofing

Specifications

• Weight: 92g
• Material: 100% Polyester, 1500 MM waterproof rating