The Hydro Flask Wide Mouth Flex Cap (64oz) is a high-capacity hydration vessel engineered for basecampers, long-distance travelers, and hydration-focused athletes who require a perfect balance of massive fluid volume, reliable leak-proof sealing, and comfortable carry ergonomics. By combining double-wall vacuum insulation with a robust, wide-mouth architecture, this bottle organizes your hydration supply into a temperature-controlled, durable, and highly functional layout built for maintaining hydration levels during extended wilderness outings, intense sports training, or long-haul road trips.

Key Features:

• Massive 64-Ounce Capacity: Engineered for high-volume requirements, the large-scale design ensures you have a substantial supply of water or electrolytes on hand, reducing the need for constant refills during your longest adventures.
• TempShield Insulation: Crafted with signature double-wall vacuum technology, the bottle effectively blocks heat transfer, keeping your beverages ice-cold for up to 24 hours or piping hot for up to 12 hours, regardless of external conditions.
• Flexible, Leak-Proof Transport: Featuring the iconic, reinforced Flex Cap with a sturdy, pivoting strap, the system provides a completely airtight, leak-resistant seal that allows for comfortable, swing-free carrying even when the bottle is fully loaded.
• Wide-Mouth Versatility: Designed with a generous opening, the bottle accommodates ice cubes easily, allows for faster filling, and is compatible with various high-flow accessories, ensuring a seamless and adaptable drinking experience for any scenario.