10 Best Collapsible Water Bottles 2026 in the United States

The TakeToday Collapsible Water Bottle is a practical choice for anyone needing a lightweight, space-saving hydration option. Made from food-grade silicone and BPA-free plastic, it’s safe to drink from and durable enough to handle drops or squashes without breaking like glass or hard plastic bottles. Its 20oz (600ml) capacity strikes a good balance—not too big to be bulky but enough for many outdoor activities like hiking, cycling, or traveling. Thanks to its foldable silicone body, it collapses down small, making it easy to pack in tight spaces or bags. The wide mouth design is a plus for easy cleaning and adding ice or fruit to your drink, and it’s dishwasher safe, which simplifies upkeep. The screw-on cap seals tightly to prevent leaks, a crucial feature for travel or activities where spills are a problem. Additionally, it includes a strap and straw for convenience on the go.

On the downside, being made of silicone means the bottle is a bit soft, which some might find less stable when full compared to rigid bottles. Its modest capacity might not suit heavy water drinkers or longer trips without refills. Also, some users might prefer a more varied color range. This bottle serves as a great pick for outdoor enthusiasts or travelers looking for a sustainable, reusable, and compact water bottle that’s easy to carry and clean.

The HydraPak UltraFlask Speed is a collapsible water bottle available in 500ml and 600ml capacities, designed for use with hydration vests and running packs. Made from TPU, PP/POM, and silicone, it offers a durable and flexible option for active individuals. The standout feature is its collapsibility, which allows it to shrink as you drink, making it easy to pack away when empty. This is particularly useful for runners as it reduces movement and fits snugly in various pockets without causing discomfort or chafing.

The bottle's SpeedFill Cap simplifies quick refilling at aid stations, and the customizable cap options (straw or bite valve) add versatility based on personal preference. At just 84 grams, it is lightweight, making it suitable for long-distance activities without adding unnecessary weight. The bottle has a leak-proof design, ensuring your hydration pack stays dry, and it comes with a beyond-lifetime warranty, giving users peace of mind.

On the downside, the bottle requires hand washing, which might be less convenient compared to dishwasher-safe options. Additionally, the soft material might wear out faster with heavy use compared to more rigid bottles. However, its blend of functionality, weight, and ease of use makes it a strong contender for those engaged in running, hiking, or other outdoor sports.

The HydraPak Stow is a compact, collapsible water bottle with a 500ml (17oz) capacity, making it a good choice for light outdoor activities like hiking, biking, and climbing. Its ultralight weight at under 2 ounces, which is about 80% lighter than hard bottles, helps reduce your pack load. Made from durable TPU and polypropylene materials, it’s flexible enough to fold or roll down when empty, saving space in pockets or bags. This bottle is also dishwasher safe for easy cleaning, which is handy if you use it frequently.

The flip-top cap with a self-sealing silicone nozzle keeps it leak-resistant and clean during activity, though as with many soft bottles, you may want to check the seal regularly to avoid drips. It fits most 28mm water filters, adding versatility for backcountry use. One possible downside is its smaller capacity—500ml might mean more frequent refills if you need a lot of water on longer trips. Also, while the flexible handle makes carrying and filling convenient, the soft material may not be as sturdy as rigid bottles if you prefer something hard-sided.

The HydraPak Stow provides excellent portability, lightweight design, and ease of use for active users who prioritize pack space and convenience over larger water storage.