Lightweight
25% lighter than our 21 oz (621 ml) standard mouth bottles means this lightweight stainless steel bottle weighs less, so you can do more.


Stainless Steel Construction
18/8 pro-grade stainless steel walls are thinner to reduce weight while maintaining durability.
Lightweight Flex Cap
The Honeycomb™ insulated wide mouth cap with a flexible perforated strap and aluminum pivots cut weight in our leakproof design.

- Ideal for lightweight hydration to keep you going further
- Fits most outdoor hydration filters
- Durable 18/8 Pro-Grade Stainless Steel construction
- TempShield™ insulation eliminates condensation and keeps beverages cold for up to 24 hours and hot for up to 12 hours
- Flexible perforated strap and aluminum pivots for added weight loss
- BPA-Free and Phthalate-Free
Product Benefits
Size and Dimensions
Volume | 621 ml |
---|---|
Diameter | 2.8" |
Height | 10.2" |
Weight | 9.6 oz (283.9 ml) |
Colder, Hotter, Longer
Our unique double-wall vacuum-insulation protects temperature for hours. Cold drinks stay icy cold and hot drinks stay piping hot, so you can stay refreshed for any adventure.
We have great faith in our products
Hydro Flask guarantees this product with a limited lifetime warranty against manufacturer defects.
Hydro Flask supports non-profit organisations focusing on building, maintaining, restoring and providing better access to parks. Since 2017, we have been doing just that:
-
92 Non-profits supported non-profits.
-
$1.5 million Dollars (approx. £1.197 million) donated donated.
-
26,043 Bottles donated bottles.
Hydro Flask supports non-profit organisations focusing on building, maintaining, restoring and providing better access to parks. Since 2017, we have been doing just that:
-
92 Non-profits supported non-profits.
-
$1.5 million Dollars (approx. £1.197 million) donated donated.
-
26,043 Bottles donated bottles.