Hydro Flask 620 ml Standard Flex Cap 21 OZ Oat

The Hydro Flask Standard Mouth Flex Cap Bottle combines premium insulation with a durable, sweat-free design. With a capacity of 620 ml (21 oz), it keeps beverages cold for up to 24 hours or hot for up to 12 hours. The Flex Cap features a flexible strap for easy carrying and a leak-proof seal. Made from 18/8 Pro-Grade Stainless Steel with a Color Last™ powder coat, this bottle is built to last and is dishwasher safe (top rack). BPA-free and phthalate-free, it's the perfect companion for hydration on the go.

Advantages

TempShield™ double-wall vacuum insulation maintains temperature for hours. The powder coat finish provides a non-slip, sweat-free grip. The Flex Cap is easy to open and close, and the wide mouth accommodates ice cubes. Lifetime warranty ensures long-term reliability.

Suitable for

• Outdoor activities: hiking, camping, cycling
• Daily commute and office use
• Gym and sports
• Travel and road trips

Key specifications

• Capacity: 620 ml (21 oz)
• Material: 18/8 Pro-Grade Stainless Steel
• Insulation: TempShield™ Double-Wall Vacuum
• Mouth: Standard Mouth (48.5 mm diameter)
• Cap: Flex Cap (polypropylene, silicone gasket, TPE strap)
• Color: Oat
• Cold retention: Up to 24 hours
• Hot retention: Up to 12 hours
• Dishwasher safe: Yes (top rack)
• BPA-free: Yes
• Phthalate-free: Yes
• Sweat-free design: Yes
• Bottle diameter: 72.9 mm
• Warranty: Lifetime

Recommendations

For optimal temperature retention, pre-heat or pre-cool the bottle before filling. Hand wash recommended to preserve the powder coat finish. Compatible with Hydro Flask Standard Mouth accessories.