Hydro Flask 40 oz Wide Mouth with Flex Straw Cap

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