Soft Flask Straw 500 ml allows you to drink hands-free without losing pace as you run. It has a sleek gray design in soft and lightweight material, free from BPA, phthalates, and PVC. The wide opening makes the bottle easy to refill and clean. Soft Flask Straw 500 ml is compatible with the running vests Strive Fly, Strive 5, and Strive 10, which have adjustable straps to secure both the bottle and the straw in place.

Soft flask with a wide opening and self-sealing nozzle
Soft Flask Straw 500 ml has an adjustable straw that allows you to drink smoothly while running. The flask has a wide, easy-to-grip cap that makes the bottle easy to open, fill, and clean.

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, Strive 5, and Strive 10
Soft Flask Straw 500 ml is designed to fit the front pockets of the 2024 edition of Strive running vests: Strive Fly, Strive 5, and Strive 10. The adjustable straps ensure that the bottle stays securely in place, allowing you to stay hydrated without slowing down.