What Our Gearhead(R) Experts Are Saying:"I love how the YETI Flask combines rugged durability with a sleek profile. It's perfect for stashing a quick sip for the summit, slipping easily into a jacket pocket or daypack. The included funnel makes refilling a breeze, and the single-wall stainless construction is both reliable and easy to clean."From tailgate cheers to summit toasts, the YETI Flask is our go-to companion when adventure calls for a sip of the good stuff. Crafted from kitchen-grade stainless steel, it's puncture- and rust-resistant, ensuring it's always ready for impromptu toasts in the wild. We trust it to slip discreetly into a jacket pocket or daypack, offering a ready reward at the peak. With the included funnel, filling it up is quick and easy-no mess, no waste. Its lightweight, stealthy design means it's built for the places your glass can't go. Let the good times flow, wherever your day leads.