A minimalist bottle for runners Skyflask speed 350 from Hydrapak, which you won't even know about while running. Thanks to the adjustable strap, it is easy to hold in your hand, and the soft material allows the drink to be fully assembled after drinking, so it fits in your pocket. The seal around the mouthpiece prevents unpleasant dripping after drinking. Seal around the mouthpiece - the liquid will not leak even during transport. Hinged mouthpiece - for quick and easy intake of liquid. Gradually shrinking the bottle limits the movement of water inside.