Camera cover rev cam wproof olivethe lens covers have a velcro strap adjustment by camera body and velcro adjustment at the lens hood if the lens cover is a bit long it can be bunched up or adjusted with velcro the velcro need only be adjusted when first fitting the cover for sizevelcro tabs join the cover under the lens the covers are designed to be a loose fit you can get your hands between tabs to make any adjustment to the controls