21oz Standard Mouth Bottle w/ Flex Cap
Description
Hydro Flask 21oz Standard Mouth Bottle with Flex Cap
The Hydro Flask 21oz Standard Mouth Bottle is the ideal everyday hydration companion, engineered to keep your beverages at the perfect temperature no matter where your day takes you. Built with TempShield® double-wall vacuum insulation, this stainless steel water bottle maintains cold drinks cold for up to 24 hours and hot drinks hot for up to 12 hours — making it a versatile choice for everything from morning commutes to all-day outdoor adventures.
Crafted from durable, food-grade stainless steel, this insulated water bottle delivers pure, clean taste with zero flavor transfer. The leakproof Flex Cap ensures a secure seal every time, giving you the confidence to toss it in a bag without worry. Its standard mouth design and cupholder-compatible profile make it practical for everyday use, fitting seamlessly into most car cupholders and bottle cages.
At 21 ounces, this bottle strikes the perfect balance between compact portability and adequate hydration capacity — enough to keep you going through long meetings, gym sessions, or hikes without weighing you down. When it's time to clean up, simply place it in the dishwasher for effortless maintenance.
- TempShield® double-wall vacuum insulation: 24 hours cold, 12 hours hot
- Leakproof Flex Cap for a secure, reliable seal
- Pure taste with no flavor transfer
- Durable, food-grade stainless steel construction
- Cupholder-compatible standard mouth design
- Dishwasher safe for easy cleaning
- Not for use on a stove, in a microwave, or in a freezer
Return Policy
Sale items can be returned for store credit only. We cannot accept returns on gift cards.
Regular Priced (Non-Sale) Items can be returned within 14 days of delivery for a full refund to your original method of payment. If the original method of payment is unavailable, we’ll issue your refund in the form of store credit.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.