Silva® Soft Flask 500 ml

The Silva Soft Flask 500 ml is designed for runners, hikers, cyclists, and outdoor enthusiasts who need fast, convenient hydration on the move. Its flexible body compresses as you drink, reducing water sloshing while taking up less space in your running vest or backpack.

Fast Hydration on the Move

The Soft Flask features a high-flow bite valve that allows quick, effortless drinking without stopping. Simply bite the valve and gently squeeze the flask to maintain hydration while running, hiking, or moving at pace. A protective cap helps keep the valve clean between uses.

Flexible, Space-Saving Design

Unlike rigid water bottles, the Soft Flask compresses as the liquid level drops, minimizing movement of the remaining water and improving carrying comfort. Once empty, it can be rolled or folded flat to free up valuable space in your pack or vest.

Safe Materials and Easy Cleaning

Made from flexible TPU that is free from BPA, PVC, and phthalates, the flask is suitable for water and sports drinks. The wide opening makes filling and cleaning straightforward, while the durable construction is designed to withstand repeated folding and everyday outdoor use.

Built for Active Adventures

Lightweight, compact, and easy to carry, the Silva Soft Flask is ideal for trail running, hiking, cycling, and other endurance activities where efficient hydration and minimal pack volume are essential.

Benefits You Need to Know:

• 500 ml capacity
• high-flow bite valve
• compresses as you drink
• helps reduce water sloshing
• rolls or folds flat when empty
• wide opening for easy filling and cleaning
• BPA-, PVC-, and phthalate-free TPU construction
• fits most running vests and hydration packs