double-walled construction, keeps the drink cool even on warm days in summer, in winter the bottle protects the drink from rapid cooling or freezing, suitable for most bottle cages, can be easily removed from the bottle cage and reinserted, the secure fit in the bottle cage prevents the bottle from falling out, pleasant and easy to open and close the bottle with the mouth, easy operation with only one hand, extremely lightweight material, perfect grip in the hand thanks to the waist of the bottle body, ideal for cycling, spinning, gym and many other activities, top easy to disassemble, SureSnap® valve solution integrated in the mouthpiece prevents leakage even with the lid open and guarantees easy dosage, easy cleaning thanks to removable mouthpiece, easy to fill (liquid, ice, powder, etc.), perfect for mixing isotonic drinks, free of BPA and phthalates, perfect alternative to disposable plastic bottles, use and reuse for many years, Swiss design & engineering, developed in collaboration with the champions of the Swiss Cycling National Team.