Hydro Flask 21 oz Standard Mouth Bottle w/ Sport Cap
They're pretty much the perfect pairour 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.
Versatile, middle-of-the-road size, equipped with our insulated Sport Cap
TempShieldâ„¢ 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
Sport Cap is not intended for use with hot liquids and is not leakproof