YETI. RAMBLER 26OZ BOTTLE. BLACK. The Rambler 26 oz. Bottle is the perfect for every day all day. Our Rambler Bottles come with a TripleHaul Cap are equipped with double-wall vacuum insulation and are made of durable 18 8 stainless steel. Available in stainless and DuraCoat colors this bottle is your go-to whenever you head out.