40 oz Wide Mouth
Product details
Quench your thirst on any adventure with the 40 oz Wide Mouth Water Bottle. Built for epic days, this stainless steel, insulated bottle keeps your cold drinks icy for up to 24 hours and your hot beverages steaming for up to 12, thanks to TempShield™ double-wall vacuum insulation. The wide mouth opening makes it easy to add ice and allows for big, refreshing gulps. The Honeycomb™️ Insulated Cap maximizes temperature retention and the Flex Cap is leakproof when closed, so you can toss it in your bag without worry. Crafted with durable, pro-grade 18/8 stainless steel, this bottle ensures pure taste and no flavor transfer. Plus, the Color Last™ powder coat is sweat-free and keeps its vibrant color. It's BPA-free, dishwasher safe, and compatible with most backcountry water filters. Stay hydrated in style. Grab your 40 oz Wide Mouth Water Bottle today!
- Keeps drinks cold for 24 hours, hot for 12
- Wide mouth opening for easy filling and drinking
- Durable, sweat-free, and colorful design
- Leakproof and insulated cap
- Compatible with most backcountry water filters
40 oz Wide Mouth
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.
