Iconic, timeless, and designed to last a lifetime—that’s our Classic single-wall collection. These simple, beautiful bottles have kept us happy and hydrated for more than 10 years. Klean's Wide single-wall line also offers perfect hydration solutions—from the backcountry to the urban jungle. We also have durable Kid Kanteens and stainless steel Growlers. Save 40% on bottle sizes 40oz and larger. Select styles and colors. Limited quantity available.