Hydro Flask 620 ml Standard Flex Cap 21 OZ Stone

The Hydro Flask Standard Mouth Flex Cap Bottle combines premium insulation with durable construction, keeping your beverages at the perfect temperature for hours. With a 21 oz (620 ml) capacity, this bottle is ideal for daily hydration, outdoor adventures, or office use.

Advantages

TempShield™ double-wall vacuum insulation preserves cold for up to 24 hours and hot for up to 12 hours. The 18/8 Pro-Grade Stainless Steel construction is built to last, while the Color Last™ powder coat provides a durable, sweat-free exterior. The Flex Cap features a flexible strap handle for easy carrying and is BPA-free and phthalate-free.

Suitable for

• Hydration during hiking, camping, or travel
• Hot or cold beverages at home or office
• Eco-friendly alternative to single-use bottles

Key specifications

• Capacity: 21 oz (620 ml)
• Insulation: TempShield™ Double-Wall Vacuum Insulation
• Material: 18/8 Pro-Grade Stainless Steel
• Cap: BPA-Free Polypropylene Flex Cap with handle
• Color: Stone
• Cold retention: Up to 24 hours
• Hot retention: Up to 12 hours
• Finish: Color Last™ Powder Coat
• BPA-Free: Yes
• Phthalate-Free: Yes
• Sweat-Free Design: Yes
• Cleaning: Hand wash bottle, cap top-rack dishwasher safe
• Compatibility: Fits most backcountry water filters

Recommendations

For best performance, preheat or pre-cool the bottle before filling. Hand washing is recommended to preserve the finish. The Flex Cap is interchangeable with other Hydro Flask Standard Mouth accessories.