Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Wide Flex Cap by Hydro Flask $9.95 Black / One Size - $9.95 Black Color Chevron down icon One Size Size Chevron down icon Availability: translation missing: en.general.icons.icon_check_circle icon Only 5 left! 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Looking for Local Pick-up? Choose a store below. Product Locator by Locally Notify me when back in stock Email address Email me when available The Wide Mouth Flex Cap is designed for ultimate portability and easy-carry comfort. Insulated, flexible and built to last.