Quick to drink from, easy to carry, and reliably leakproof a smart cap for active use.Hydro Flask says:Refresh on the go with this leakproof chug style cap. The narrow chug spout provides a convenient, controlled flow to quickly quench your thirst. The wide mouth cap easily fits ice cubes to keep things cool. Fits all Wide Mouth bottles.Our VerdictThe Flex Chug Cap adds real convenience to wide-mouth Hydro Flasks. The narrow spout gives a smooth, controlled flow without sloshing, and the wide base still fits ice with no hassle. Its leakproof, easy to clean, and the flexible strap makes it comfortable to carry. – Reviewed by Ultralight Outdoor GearFeaturesNarrow Chug drinking spout for a convenient, controlled flowWide mouth bottle threading fits all Wide Mouth bottlesLeakproof when closedFlex Strap is easy to transport and comfortable to carrySpecificationsWeighs: 90gMaterial & ConstructionBPA-Free

Quick to drink from, easy to carry, and reliably leakproof a smart cap for active use.Hydro Flask says:Refresh on the go with this leakproof chug style cap. The narrow chug spout provides a convenient, co