Hydro Flask 12 oz Coffee Mug with Flex Sip Lid
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TempShield double-wall vacuum insulation with powder coat finish. Flex Sip 360ยฐ drinking edge. Best cold-retention in this comparison. Dishwasher-safe, 18/8 stainless.
Hydro Flask 12 oz Coffee Mug uses TempShield double-wall insulation that genuinely excels at both temperature extremes โ hot coffee holds above 130ยฐF for 3.5 hours and cold brew stays below 50ยฐF for 6+ hours, outperforming YETI on the cold side in side-by-side tests. The 360ยฐ Flex Sip lid creates a drinking surface around the entire rim, which some owners love for its natural feel and others find awkward compared to a directional spout. The powder coat finish grips better than bare stainless in cold hands. At 12 oz it's the smallest capacity, and the narrow mouth makes adding ice cubes difficult if you start with a warm drink and want to chill it quickly.
Pros
- Best cold-retention in this comparison โ keeps cold drinks below 50ยฐF for 6+ hours
- Powder coat grip finish is comfortable in cold or wet hands
- TempShield works equally well for hot and cold temperature retention
- Lightweight at 227 g with lid
Cons
- 12 oz is the smallest capacity in this comparison
- Narrow mouth makes adding ice cubes difficult
Score breakdown
Hydro Flask 12oz Coffee with Flex Sip Lid Review (2 Weeks of Use)
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