The 18 oz. Rambler Bottle is a next-level insulated bottle. The perfect addition to your rough commutes, day hikes, or kayak sessions, this Rambler Bottle has the power to keep your water cold or coffee hot until the last sip. Like the rest of our Rambler series, the 18 oz. Rambler Bottle features a No Sweat Design to keep your hands dry with double-wall vacuum insulation to lock in temperature. Its 18/8 stainless steel construction stands up to even the toughest of conditions, and you'll find the leakproof, 3-finger grip, insulated TripleHaul Cap protects your truck cab or day pack from spills.