Ideal size for pockets, vests, belts, or hydration packs. The soft material fits into any pocket, providing comfortable transportation.

It features a flexible design that shrinks when you drink, reduces movement, and stores easily when empty. It includes a thread design that ensures airtightness.

42 mm opening for easy filling and adding ice with a self-sealing bite valve. It is 100% BPA and PVC free and withstands a wide range of operating temperatures.

• Capacity: 500 ml
• Main Material: Polyurethane (PU)
• Primary Color: White
• Product Type: Flask
• Gender: Unisex
• Activity: Trail running, Road running
• Seasonality: Spring, Summer, Fall, Winter
• Functionality: Lightweight