ROCKBROS Soft Flask 500 ml Blue - Collapsible Hydration Bottle for Running, Trail Running, Cycling, Hiking

Stay hydrated on the move with the ROCKBROS Soft Flask, a 500 ml collapsible water bottle engineered for runners, trail runners, cyclists, and hikers. Its flexible TPU body compresses as you drink, eliminating sloshing and freeing up space in your vest or belt. The high-flow bite valve delivers a steady stream of water with minimal effort, while the leak-proof design keeps your gear dry. Wide mouth opening makes filling and cleaning a breeze, and volume markings help you track your intake. BPA-free, taste-free, and odor-free, this flask is built to withstand punctures and abrasions, ensuring reliable performance on every adventure.

Advantages

The ROCKBROS Soft Flask offers unmatched convenience and durability. The collapsible design reduces bulk as you drink, so it fits comfortably in any hydration vest, belt, or pack. The high-flow bite valve allows quick hydration without breaking stride, and the leak-proof seal prevents spills. Made from food-grade TPU, it is safe, flexible, and resistant to wear. The wide mouth opening simplifies adding ice cubes or electrolyte powder, and the flask is easy to clean by hand. With volume markings, you can easily monitor your fluid consumption during long runs or rides.

Suitable for

• Trail running and ultramarathons
• Road running and jogging
• Cycling and mountain biking
• Hiking and fastpacking
• Gym workouts and fitness classes
• Any outdoor activity requiring lightweight hydration

Key specifications

• Capacity: 500 ml
• Material: Thermoplastic Polyurethane (TPU)
• Colour: Blue
• Closure type: High-flow bite valve
• BPA-free, taste-free, odor-free
• Leak-proof design
• Collapsible/foldable
• Wide mouth opening
• Volume markings
• Puncture and abrasion resistant
• Temperature range: -20°C to 40°C
• Compatible with most hydration vests, belts, and packs

Recommendations

For best results, hand wash with mild soap and warm water after each use. Ensure the bite valve is closed when not in use to prevent leaks. Store in a cool, dry place away from direct sunlight.