Hydro Flask 21 oz Standard Mouth bottle in Birch, front view
Hydro Flask 21 oz Standard Mouth bottle in Trillium, front view
Hydro Flask 21 oz Standard Mouth bottle in Black, front view
Hydro Flask 21 oz Standard Mouth bottle in Indigo, front view
Hydro Flask 21 oz Standard Mouth bottle in Birch, front view
Hydro Flask 21 oz Standard Mouth bottle in Trillium, front view
Hydro Flask 21 oz Standard Mouth bottle in Black, front view
Hydro Flask 21 oz Standard Mouth bottle in Indigo, front view

Hydro Flask 21 oz Standard Mouth with Flex Cap

Hydro Flask
Price
Regular price $26.22
Regular price $34.95 Sale price $26.22
Save $8.73
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Color — Black
  • In stock, ready to ship
  • Backordered, shipping soon
  • Free shipping on orders $99+
  • Free pickup in Boone, NC
  • 90-day returns on new, unused gear

The Hydro Flask 21 oz Standard Mouth bottle is an easy everyday size for hiking, commuting, travel and staying hydrated around town. Its slim profile is comfortable to carry and fits easily into most pack pockets and cupholders.

Vacuum-insulated construction helps keep cold drinks cold, while the flexible carry cap makes it easy to grab and go. Waypoint currently has Birch and Trillium available.

Features

  • Slim 21 oz profile is easy to carry and fits most pack pockets and cupholders
  • TempShieldâ„¢ insulation prevents condensation and keeps drinks cold for up to 24 hours or hot for up to 12 hours
  • Durable 18/8 pro-grade stainless steel construction
  • Flexible carry cap makes the bottle easy to grab and go
  • BPA-free and phthalate-free
  • Compatible with the Standard Mouth Insulated Sport Cap
  • Backed by Hydro Flask’s lifetime warranty

Technical Specs

Capacity: 21 fl oz (621 mL)

Mouth opening: 1.91 in

Bottle diameter: 2.87 in

Bottle height: 9.4 in

Weight: 11.3 oz

Material: 18/8 pro-grade stainless steel

Cap: Flex Cap
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