Yeti Rambler 18oz Bottle with Flip Chug Cap Size:18 oz Heavyweight high-pile fleece delivers dense

Heavyweight high-pile fleece delivers dense

and resists odor — no synthetic help needed

Solarcore Aerogel insole technology blocks cold from the ground up

Original Fit with a generous forefoot gives toes real room to splay on uneven ground — no hot spots or black toenails

Medium grey colorway pulls double duty — works equally well on a run or running errands

Yeti Rambler 18oz Bottle with Flip Chug Cap Size:18 oz Heavyweight high-pile fleece delivers denseFor shorter runs, day hikes, or desk duty, the Rambler 18oz Flip Chug is our pick when you need hydration fast and hands mostly free. Vacuum insulation holds temperature for hours in Southern summer heat, while the one hand Flip Chug Cap opens and flows without unscrewing or fumbling. At 18oz, it tucks into a vest pocket without the bulk. Flip Chug Cap opens one handed and seals completely shut no leaks when closed, no flow restriction when open