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Hydro Flask

Hydro Flask Standard Mouth Flex Cap

Hydro Flask Standard Mouth Flex Cap

Sip. Refresh. Go.

Strong, yet flexible, the Standard Mouth Flex Cap is the perfect companion for spontaneous camp outs, epic road trips and everything in between. Made with stainless steel pivots and an easy-to-carry strap, this cap has Honeycomb Insulation™ to help keep your kombucha cold for up to 24 hours and morning tea hot for up to 12. Pair it with any of the Standard Mouth Bottles for a durable way to take your favorite drinks to go.

Features of the Hydro Flask Standard Mouth Flex Cap

  • Compatible with all Standard Mouth bottles
  • Honeycomb insulation™ helps keep cold drinks cold and hot drinks hot
  • Durable, stainless steel pivots allow the strap to move easily
  • BPA-Free and Phthalate-Free
  • Lifetime Warranty


Works with any of hydro Flasks´ Standard Mouth products.
Dimensions in mm (L/B/H): Opening: 48,5 mm
Included in delivery: Sport cap

Fact Sheet of Hydro Flask Standard Mouth Flex Cap

Product Name: Hydro Flask Standard Mouth Flex Cap
Manufacturer: Hydro Flask
Item Code: HYF329065
activity: Cycling, Outdoor, Run, Leisure, Hiking
material: Composite
Hydration - Accessories: Caps
Model year: 2024
Collection: Spring/Summer
Color: Black
weight: 64g