Memorial Day Sale!
Hydration > Perfection. Take 20% off any order of 2 or more items and enjoy your Memorial Day weekend.
Use Code: MEMORIAL20
New Kids on the block!
We’re growing up. Now offering 18oz kids water bottles alongside our best-selling 14 oz kids bottle.
Join Our Loyalty Program
Become a loyalty member and start earning Iron points to redeem rewards and save $$ on your Iron Flask favs.
18/8 STAINLESS STEEL
Durable and reliable. No flavor transfer and temperature retention are a few of the key benefits our bottles offer.
24/12 HOT + COLD
Icy beverages stay nice and cool for up to 24 hours. Hot beverages preserve their temperature for up to 12 hours.
POWDER-COATED
Easy to hold and to love. Our powder coat gives our bottles a beautiful look and an easy grip for your hands.
LIFETIME WARRANTY
All our products come with a lifetime warranty against manufacturing defects. Registration takes a minute, and the benefits last a lifetime.
Iron Flask Stories
The Ocean Thanks You
The Goodness of Your Vacuum Insulated Stainless Steel Water Bottle If you are the proud owner of an Iron Flask, thank you and congratulations, you are hydrating in style. Consid...
How to Prevent Altitude Sickness This Season
Headed to the mountains this winter? Learn how to prevent one of the most common obstacles of high altitudes.
2022 Iron Flask Gift Guide
Still need to mark a few names off your list? We’ve got the perfect gift ideas.
A Beginner’s Guide & Tips for Road Biking
Road biking is one of the most popular forms of outdoor exercise today. It's also a great way to explore your local area. Get started with these helpful tips!