WHY CROWN SPORT NUTRITION? (41 SEC)?
🧪 Soft Flask PRO 500 ml, wide mouth – Technical Data Sheet
Functional Description:
Flexible and high-capacity (500 ml) hydration system specifically designed for quick filling and effective mixing of isotonic drinks, concentrated gels or carbohydrate-rich solutions. The wide mouth allows powder or thick liquids to be poured without a funnel, saving time and minimizing preparation errors. Ideal for athletes using advanced nutrition strategies during long efforts like trail running, marathons, ultra-distance or stage races.
🧾 Technical Specifications
- Usable capacity: 500 ml
- Net weight (empty): <55 g
- Dimensions (approx., full): 220 mm length × 70 mm diameter
Ergonomic design:
- Flexible and compressible body for easy storage in vest, backpack or belt pockets
- Geometry designed to minimize residual volume and reduce liquid movement while running
- Lightly textured surface for improved grip and slip prevention
Technical mouthpiece:
- Type: bite valve with automatic return (self-sealing)
- Wide mouth: allows faster filling and smooth mixing of powders or gels
- Reinforced threading ensures secure closure, even with viscous liquids
Materials and safety:
- Body: BPA- and PVC-free flexible TPU
- Valve: Food-grade silicone
- Cap: High-resistance polypropylene
- CE / FDA certified for food contact
Operating temperature:
- Range: -20 ºC to +50 ºC
- Not suitable for hot or carbonated liquids
Manufacturing: PRC (China)
🧼 Cleaning and Maintenance
Pre-use cleaning:
- Rinse interior with hot water.
- Dissolve 1 effervescent tablet in 250–300 ml of hot water.
- Fill completely and let sit 30 min – 2 h.
- Rinse thoroughly with hot water until all residue and odor are gone.
- Air dry vertically with cap open for 4–6 h.
- Optional: pre-wash with baking soda if odor persists.
Routine maintenance after each use:
- Wash with warm water and neutral detergent.
- Do not store closed if liquid remains inside.
- Keep in freezer between uses to prevent microbial growth and odors.
- Not microwave or autoclave safe.
🏃 Recommended Use
- Use in hydration belts, backpacks or vests
- Quick prep of concentrated drinks at aid stations
- Use with isotonic drinks, gels or dense energy solutions
- Perfect for long races or events where refilling time matters