Stanley The Quencher Protour Flip Straw Tumbler Sage Grey

Stanley has been building vacuum-sealed steel since 1913, when William Stanley Jr. patented the first all-steel vacuum bottle and made hot coffee portable for tradesmen and soldiers. The Quencher sat quietly in the catalogue for years until the trio behind The Buy Guide championed it on Instagram, placed a 10,000-unit wholesale order, and watched 5,000 move in roughly four days and another 5,000 in a single hour. New leadership under Terence Reilly built the whole brand around that momentum, and the tumbler stopped being gear and became a daily accessory. The Quencher ProTour is the next step in the line: same tapered silhouette, same handle, completely new leakproof lid. Sage Grey is the quiet one in the range, a soft grey-green that sits calmly next to Stanley's louder pinks and brights.