Made from soft, flexible TPU, the flask conforms to your body and gear for a snug, comfortable fit. The bite valve is designed for high flow and seals instantly after each sip, eliminating leaks and mess. Whether you’re hydrating with water, electrolytes or your own fuelling mix, the 500ml Slim flask offers versatility and simplicity with every use.

The narrow 26mm opening makes it easy to fill on the go while maintaining a compact shape that’s ideal for minimalist set-ups. With a weight of just 35g, it adds next to nothing to your gear. Plus, it’s 100% BPA and PVC free for peace of mind with every sip.

This is the perfect companion for athletes looking to streamline their fuelling setup while staying hydrated, no matter how tough the terrain or how long the race.

The XMiles 500ml Slim Flask uses a soft thermoplastic polyurethane body that collapses as you drink, reducing fluid motion and saving space. The silicone bite valve ensures a smooth flow rate and seals automatically after use, so there's no leaking or dripping. Its slim shape and flexible material allow it to sit comfortably against the body and fit into narrow vest or belt pockets. Designed for practicality, the flask is easy to fill, carry and clean, making it a go-to hydration solution for all levels of endurance activity.