Hiking Sports Flask

When gearing up for your next adventure, having a reliable hydration solution is non-negotiable. Our Hiking Sports Flask is engineered to be your ultimate trail companion, designed to withstand the rigors of outdoor exploration while keeping your drinks at the perfect temperature for hours. Crafted from premium 304 Stainless Steel, this flask offers superior durability and is completely free from BPA and other harmful chemicals, ensuring your water tastes pure and clean. Whether you're on a short day hike or a multi-day trek, we offer versatile sizes to match your needs. The compact 20oz Sports Flask is perfect for light packers, while the popular 32oz Sports Flask provides ample hydration for most day trips. For those demanding longer excursions or sharing with a partner, our high-capacity 40oz Sports Flask ensures you won't run dry. Every model features a double-wall vacuum insulation, a leak-proof screw-top lid, and a ergonomic carry handle for easy attachment to your backpack.

The Hiking Sports Flask isn't just about carrying water; it's about enhancing your entire outdoor experience. Its thoughtful design prioritizes both function and convenience. The wide mouth opening allows for easy filling, adding ice cubes effortlessly, and simple cleaning. The powder-coated exterior provides a comfortable, non-slip grip even with wet or gloved hands, and its sleek, scratch-resistant finish looks great trip after trip. Beyond water, this flask is versatile enough for your morning coffee to kickstart a sunrise summit or a post-hike recovery smoothie. The superior insulation technology works both ways—keeping icy drinks refreshingly cold under the summer sun and hot beverages steaming warm during chilly mountain mornings. Engineered for the adventurer who values performance and reliability, the Hiking Sports Flask seamlessly integrates into your active lifestyle, proving itself as an indispensable piece of gear wherever your path leads.

Hiking Sports Flask: Detailed Technical Specifications

To understand the superior build quality of our flask, review the comprehensive specifications below.

Core Material & Construction

Body Material: Premium 18/8 Food-Grade 304 Stainless Steel (Inner & Outer Wall)
Lid Material: BPA-Free, FDA-Compliant Polypropylene
Insulation: Double-Wall High-Vacuum Insulation
Interior Finish: Mirror-Polished, Corrosion-Resistant
Exterior Finish: Durable, Scratch-Resistant Powder Coating

Performance & Capacity Metrics

Model	Capacity (oz / ml)	Height (in / cm)	Diameter (in / cm)	Weight (Empty) (oz / g)	Cold Retention*	Hot Retention*
20oz Sports Flask	20 oz / 591 ml	9.8" / 24.9 cm	2.9" / 7.4 cm	12.3 oz / 349 g	24+ hours	12+ hours
32oz Sports Flask	32 oz / 946 ml	11.2" / 28.4 cm	3.5" / 8.9 cm	16.9 oz / 479 g	36+ hours	18+ hours
40oz Sports Flask	40 oz / 1183 ml	12.6" / 32 cm	3.7" / 9.4 cm	20.1 oz / 570 g	48+ hours	24+ hours

*Retention times are approximate and based on maintaining an initial temperature difference of 40°F (22°C) in a controlled ambient environment of 70°F (21°C). Performance may vary with usage.

Design & Usability Features

Lid Type: Screw-top with Silicone Seal (Leak-Proof Guarantee)
Mouth Opening: Wide-Mouth (48mm diameter) for Easy Filling & Cleaning
Carry Options: Integrated Stainless Steel Looped Handle
Compatibility: Fits most standard vehicle cup holders (20oz & 32oz models)
Warranty: Limited Lifetime Warranty against manufacturing defects

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This durable sports flask from JIanyang has a capacity of 21 oz (approximately 600 ml), features a double-layer vacuum insulation design, and comes with a cap with a built-in straw, which can help you stay hydrated throughout the day. The wide opening design makes it convenient to hold ice cubes, and the leak-proof design can prevent liquid from spilling out. This durable water bottle is perfect for carrying around. It can be equipped with a hinged handle for easy carrying and is suitable for most car cup holders.

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Hiking Sports Flask