Soft flask with a wide opening and self-sealing nozzle
Soft Flask 250 ml has a new design with a wider, easy-to-grip cap that makes the bottle easy to open, fill, and clean. The nozzle is self-sealing, holds a substantial amount of liquid, and has a large opening, allowing you to drink smoothly while running. 

Transparent TPU material, free from BPA, phthalates, and PVC
The soft flask is made of soft TPU material that allows you to easily remove and replace it in the pocket. It has a sleek design in black and light gray, and it is transparent so you can see how much liquid remains. The material is also free from BPA, phthalates, and PVC. 

Soft flask for Strive Fly Vest, Strive 5 Vest, and Strive 10 Vest
Soft Flask 250 ml is designed to fit the front pockets of the 2024 edition of Strive running vests: Strive Fly Vest, Strive 5 Vest, and Strive 10 Vest. The adjustable straps ensure that the bottle stays securely in place, allowing you to stay hydrated without slowing down.

• 250 ml soft flask 
• Soft and flexible 
• Transparent – see how much liquid remains 
• Self-sealing nozzle – easy to drink on-the-go 
• Easy-to-grip 40 mm cap – easy to open, fill and wash 
• Material: soft and flexible TPU material 
• Free from BPA, phthalates, and PVC 
• Color: light gray and transparent 
• Weight: 44 g