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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Oct 22 - Oct 27
For Your Every Summer RSVP, with Code: SUMMER15
Description
Hydro Flask Standard Flex Cap - StoneThe Standard Mouth water bottle is ready for any adventure, whether you are staying on top of daily hydration goals or tackling a performance hike, and its design even allows you to fit ice cubes inside. Made from durable stainless steel, it locks in temperature so cold drinks stay frosty and hot beverages stay toasty, while the included Flex Cap provides portable comfort for on the go use.

Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 1381 reviews
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Product Reviews
★★★★★ 5
Lots of room
Size: One Size Fits Most, Color: (001) Black / / White
This bag has more room than you would think, for something smaller.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
★★★★★ 4
Satisfied
Size: One Size Fits Most, Color: (025) Castlerock / Black / Black
Appreciating it thus far.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 14, 2026
★★★★★ 5
Best size
Size: One Size Fits Most, Color: (025) Castlerock / Black / Black
My son loves this cross body bag. It’s the perfect size for him
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 28, 2025
★★★★★ 3
Good
Size: One Size Fits Most, Color: (025) Castlerock / Black / Black
Good. Needs improvement in the hangers.
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Reviewed in the United States on August 25, 2025
★★★★★ 5
Good size
How it looks on the model is how it looks in person. The material is lightweight and quality. Enough room for phone and wallet and keys. Adjustable strap works with ease. Under Armour is my favorite athletic brand. They do not disappoint. Love this bag.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 13, 2024
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