- 20% lighter than other Hydro Flask 40 oz wide mouth bottles
- Ideal for lightweight hydration to keep you going farther
- Fits most backcountry hydration filters
- Durable 18/8 Pro-Grade Stainless Steel construction
- TempShield® insulation keeps beverages cold up to 24 hours and hot up to 12 hours
- Flexible perforated strap and aluminum pivots for added weight loss
- BPA-Free
- Compatible with the Wide Mouth Flex Straw Cap (sold separately)
Lightweight
20% lighter than other 40 oz Hydro Flask wide mouth bottles: 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
Lightweight cap with a flexible perforated strap and aluminum pivots reduces weight in this leakproof design.