Confirmed fit
Wide Mouth Flex Cap
Hydro Flask · Replacement lid
Compatibility evidence details
Hydro Flask chart confirms this Wide Mouth or Lightweight bottle accepts Wide Mouth caps.
Concept illustration · Not a product photo
Hydro Flask / Lightweight BottleProduct source ↗
Lightweight 16 oz
Bottle model details
BrandHydro Flask
SeriesLightweight Bottle
Capacity16 oz
LID COMPATIBILITY
1 lid optionsCompatible replacement lids
Verified fits appear first. Check version-specific exclusions before buying.
Confirmed compatible
1 optionManufacturer evidence ↗Source reviewed 2026-10-26View lid details ↗
OTHER SOURCES
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