Fill it. Flip it. Sip it. The Hydro Flask 40 oz Wide Mouth Bottle with Flex Straw Cap is built for big hydration days and easy, one-handed drinking. With a wide opening that’s ice-cube friendly and a straw cap designed for sipping on the move, it’s a reliable companion for workouts, hikes, and everyday adventures.
TempShield® double-wall vacuum insulation keeps beverages cold for up to 24 hours and hot for up to 12 hours, while eliminating condensation. Crafted from durable 18/8 pro-grade stainless steel, this bottle delivers pure taste with no flavor transfer and stands up to daily use.
The Color Last™ powder coat keeps the bottle slip-free and colorful, and the Wide Mouth design fits most backcountry water filters—making it just as trail-ready as it is commute-ready.
Best For
- All-day hydration
- Workouts, sports, and fitness
- Hiking and outdoor adventures
- One-handed, straw-style sipping
Key Features
- Flex Straw Cap: Insulated and leakproof when closed for easy, on-the-go drinking.
- TempShield® Insulation: Double-wall vacuum insulation keeps drinks cold up to 24 hours and hot up to 12 hours.
- Wide Mouth Opening: Easy to fill and ice-cube friendly.
- Durable Construction: Made with 18/8 pro-grade stainless steel.
- Pure Taste: Won’t retain or transfer flavors.
- Filter Compatible: Fits most backcountry water filters.
- Dishwasher Safe: Easy to clean and maintain.
- Safe Materials: BPA-free.
Important Use Information
- Flex Straw Cap not intended for use with hot liquids
- Not for use on a stove, in a microwave, or freezer
Specifications
- Capacity: 40 oz
- Product Diameter: 4.00 in
- Product Height: 11.70 in
- Product Weight: 1.05 lb