Standard Flex Cap
Product details
Keep your bottle secure and insulated with the Hydro Flask Standard Flex Cap. Featuring Honeycomb™ insulation to maintain temperature and durable stainless steel pivots, the flexible strap makes transport effortless. Dishwasher safe for easy cleanup.
- Honeycomb™ insulation maximizes temperature retention in your bottle|
- Durable stainless steel pivots allow smooth, unrestricted strap movement|
- Flex strap design is comfortable to carry and easy to transport|
- Dishwasher safe for convenient cleaning|
- Secure fit compatible with Hydro Flask Standard bottles
Standard Flex Cap
Product details
Hydro Flask FAQ
Common questions about Hydro Flask
Learn more about what makes Hydro Flask unique.
What is TempShield insulation?
TempShield is Hydro Flask's double-wall vacuum insulation — it keeps cold drinks cold for up to 24 hours and hot drinks hot for up to 12 hours by eliminating heat transfer between the walls.
Which Hydro Flask size is right for me?
The 21 oz is ideal for short outings and fits most cupholders. The 32 oz is the all-day everyday choice. The 40 oz is best for long hikes, gym sessions, or anyone who needs to stay hydrated all day without refilling.
What makes Hydro Flask worth it?
Beyond the colour range, Hydro Flask pairs proven TempShield insulation with a durable powder-coat finish, a huge accessory ecosystem (straw lids, boots, slings), and a lifetime warranty — a stylish, leak-resistant bottle built to last for years.
Is Hydro Flask lead-free?
Yes — Hydro Flask has been proudly lead-free for over a decade, with no lead used anywhere in its construction, which is a deciding factor for many buyers comparing insulated bottles.
