MULEBAR - Reusable Soft Flask - Silicone Water Bottle for Energy Gel - Trail Running, Marathon & Cycling - Waterproof, Lightweight - BPA Free - 500ml

• COLLAPSIBLE & SHATTERPROOF DESIGN – This soft flask compresses as you drink, eliminating splashing noise and taking up less space in your hydration vest or running belt as it empties, unlike rigid bottles.
• WIDE 5CM OPENING FOR FAST REFILLS – The large mouth makes it easy to add energy powder or refill from aid station water jugs mid-race, without fumbling or spilling.
• GRADUATED MARKINGS FOR PRECISE HYDRATION – Clear 50ml increment markings let you track exactly how much you've drunk and plan your fluid intake during long trail runs, marathons, or ultra-distance events.
• ANTI-DRIP VALVE WITH PROTECTIVE DUST CAP – The silicone teat seals tight to prevent leaks on the move, while the dust cap keeps the nozzle clean and hygienic between refills.
• LIGHTWEIGHT & TEMPERATURE-RESISTANT – Weighing just 39g and rated from -20°C to +40°C, this BPA and phthalate-free flask performs reliably whether you're racing in summer heat or winter cold.

" Mulebar Collapsible Soft Flask 500ml is a lightweight, shatterproof hydration bottle built for trail runners, marathoners, and cyclists who need reliable fluid carrying without the bulk of a rigid bottle. Technical Specifications Capacity: 500 ml Dimensions: 21 cm (L) x 6.5 cm (W) Weight: 39 g (empty) Body material: Food-grade silicone, BPA-free, phthalate-free Cap material: PET-resistant closure Valve: Anti-drip silicone teat with dust cap Opening diameter: 5 cm Graduation markings: 50 ml increments Operating temperature: -20°C to +40°C Color: Translucent (visible liquid level) Functional Features Compresses as emptied, reducing volume and eliminating splash noise Wide-mouth opening simplifies refilling and powder/electrolyte mixing Anti-drip valve with dust cap for hygienic, leak-free drinking Compatible with bottle brushes for thorough cleaning Recommended Use Cases Trail running, ultra-marathons, marathons, road cycling, mountain hiking, and multi-stage endurance events. Care & Maintenance Rinse with warm soapy water before first use; after activity, rinse with hot water if sugary or electrolyte drinks were used; air-dry fully with the cap open; use a bottle brush for deep cleaning. Compliance Made from food-contact-safe silicone, free from BPA and phthalates, suitable for direct contact with water, electrolyte drinks, and sports nutrition mixes. "