Hydro Flask Standard Mouth Sport Cap 621 ml (21oz)

Hydration on the go.
They're pretty much the perfect pair—our 21 oz Standard Mouth Bottle and our insulated Sport Cap. Together, they're your go-anywhere hydration companion. It stashes easily in a small shoulder bag, your pack’s side pocket, or your car cup holder, and holds enough to keep you going for hours without weighing you down.


Product Benefits

Versatile, middle-of-the-road size, equipped with our insulated Sport Cap
TempShieldTM insulation eliminates condensation and keeps beverages cold up to 24 hours and hot up to 12 hours
Durable 18/8 Pro-Grade Stainless Steel construction
BPA-Free and Phthalate-Free
Compatible with our Standard Mouth Flex Cap
Lifetime Warranty
Sport Cap is not intended for use with hot liquids and is not leakproof.


Size & Dimensions
21 oz
Volume 621 mL
Mouth Diameter 1.91"
Diameter 2.87"
Height 10.4"
Weight 11.3 oz