Titanium Construction – The best of the best, titanium makes this the lightest vacuum insulated bottle on the market without compromising durability.

TempShield™ Insulation – Hydro Flask's technology eliminates condensation and keeps beverages cold up to 24 hours and hot up to 12 hours.

Titanium Flex Cap – Titanium standard mouth cap with flexible perforated strap and titanium pivots all cut weight in a leakproof design.

Ultralight – 35% lighter than Hydro Flask's other 21 oz bottles means this ultralight titanium bottle weighs less so you can do more.