Description
xHydration that adapts to your day
The Hydro Flask 21 oz Surf Blue Standard Mouth bottle blends rugged durability with a bright, easy-to-spot finish. Built from pro-grade stainless steel, it pairs a comfortable, flexible handle with TempShield double-wall vacuum insulation to help beverages stay at your preferred temperature—whether you’re on the move or taking a break.
What makes this bottle stand out
- Temperature control: cold beverages stay cold for up to 24 hours, hot drinks for up to 12 hours.
- Leakproof and travel-ready: the closed Flex Cap seals securely for bag-friendly transport.
- Pure taste: stainless interior prevents flavor transfer for a fresher sip each time.
- Ice-friendly: easily accommodates ice cubes for a crisper, longer-lasting chill.
- Low-maintenance care: dishwasher safe for quick cleanup after activities.
- Odor resistance: designed to resist lingering odors between uses.
- Cupholder-friendly: slim, standard-mouth bottle fits most cup holders and bags.
Designed for everyday adventures
Whether you’re commuting, hitting the gym, or exploring outdoors, this bottle is built to travel with you. The color-matched Surf Blue cap adds a monochrome look, while the bottle’s shape sits neatly in cup holders and backpack pockets. It’s compatible with all Standard Mouth caps, including the leakproof Flex Straw Cap.
Care tips and safety notes
Cleaning is simple: you can place the bottle and lid in the dishwasher or wash by hand. This Hydro Flask is BPA-free and designed to resist odor buildup. Note: avoid stove tops, microwaves, and freezers for this bottle.
The feel of Hydro Flask
With a vibrant Surf Blue finish and robust stainless steel construction, this bottle is built for daily use—from the morning commute to weekend adventures. It’s a practical, reusable option for staying hydrated wherever life takes you.
FAQ
Q: Is the Hydro Flask 21 oz Surf Blue bottle leakproof?
A: Yes, the leakproof cap seals securely when closed for bag-friendly transport.
Q: How long does it keep drinks cold or hot?
A: TempShield insulation keeps drinks cold up to 24 hours and hot up to 12 hours.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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