This 24 ounces of water weighs less than that 24 ounces of water. Seems like an oxymoron, right? The 24-oz Lightweight Wide Mouth Bottle solves this existential conundrum, providing enough capacity to fuel your next big adventure, while employing an innovative stainless steel construction to make it one of the lightest 24 oz bottles on the market. Indeed, it's 25% lighter than Hydroflask's 24 oz and 32 oz wide mouth bottles. Same water, less weight. This is a very, very nice improvement.This lightweight miracle also comes with the lightweight flex cap, a honeycomb insulated wide mouth cap with a flexible perforated strap. Saving weight yet again, improving your experience on the trail while keeping you hydrated.