The Rambler 36 oz. Bottle is a necessary addition to your day hikes, kayak trips, and daily commutes. This tough bottle is double-wall vacuum insulated to keep your water cold (or coffee hot) until the last sip and comes with aChug Cap. Separate your Rambler from the herd Rambler Bottles are available in stainless and DuraCoat Colors that wont fade, peel, or crack.