Soft Flask PRO 500 ml, wide mouth

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:

1. Rinse interior with hot water.
2. Dissolve 1 effervescent tablet in 250–300 ml of hot water.
3. Fill completely and let sit 30 min – 2 h.
4. Rinse thoroughly with hot water until all residue and odor are gone.
5. Air dry vertically with cap open for 4–6 h.
6. 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