NATHAN Nathan igthodraw soft flask 2.0
New soft flasks that keep the inside of the spine in the inside holding the shape even if the amount of water is low, making it easier to put in and out of the front pocket.
Byte valve to prevent water from leaking
Supports soft flasks with combined spine. It is a "cheerful" bottle that is easy to put in and out of the bottle pocket even if the amount of water is low.